2023 Connecticut General Statutes › Title 53a - Penal Code › Chapter 950 - Penal Code: General Provisions › Section 53a-3. - Definitions.

Except where different meanings are expressly specified, the following terms have the following meanings when used in this title:
(1) “Person” means a human being, and, where appropriate, a public or private corporation, a limited liability company, an unincorporated association, a partnership, a government or a governmental instrumentality;
(2) “Possess” means to have physical possession or otherwise to exercise dominion or control over tangible property;
(3) “Physical injury” means impairment of physical condition or pain;
(4) “Serious physical injury” means physical injury which creates a substantial risk of death, or which causes serious disfigurement, serious impairment of health or serious loss or impairment of the function of any bodily organ;
(5) “Deadly physical force” means physical force which can be reasonably expected to cause death or serious physical injury;
(6) “Deadly weapon” means any weapon, whether loaded or unloaded, from which a shot may be discharged, or a switchblade knife, gravity knife, billy, blackjack, bludgeon, or metal knuckles. The definition of “deadly weapon” in this subdivision shall be deemed not to apply to section 29-38 or 53-206;
(7) “Dangerous instrument” means any instrument, article or substance which, under the circumstances in which it is used or attempted or threatened to be used, is capable of causing death or serious physical injury, and includes a “vehicle” as that term is defined in this section and includes a dog that has been commanded to attack, except a dog owned by a law enforcement agency of the state or any political subdivision thereof or of the federal government when such dog is in the performance of its duties under the direct supervision, care and control of an assigned law enforcement officer;
(8) “Vehicle” means a “motor vehicle” as defined in section 14-1, a snowmobile, any aircraft, or any vessel equipped for propulsion by mechanical means or sail;
(9) “Peace officer” means a member of the Division of State Police within the Department of Emergency Services and Public Protection or an organized local police department, a chief inspector or inspector in the Division of Criminal Justice, a state marshal while exercising authority granted under any provision of the general statutes, a judicial marshal in the performance of the duties of a judicial marshal, a conservation officer or special conservation officer, as defined in section 26-5, a constable who performs criminal law enforcement duties, a special policeman appointed under section 29-18, 29-18a or 29-19, an adult probation officer, an official of the Department of Correction authorized by the Commissioner of Correction to make arrests in a correctional institution or facility, any investigator in the investigations unit of the office of the State Treasurer, an inspector of motor vehicles in the Department of Motor Vehicles, who is certified under the provisions of sections 7-294a to 7-294e, inclusive, a United States marshal or deputy marshal, any special agent of the federal government authorized to enforce the provisions of Title 21 of the United States Code, or a member of a law enforcement unit of the Mashantucket Pequot Tribe or the Mohegan Tribe of Indians of Connecticut created and governed by a memorandum of agreement under section 47-65c who is certified as a police officer by the Police Officer Standards and Training Council pursuant to sections 7-294a to 7-294e, inclusive;
(10) “Firefighter” means any agent of a municipality whose duty it is to protect life and property therein as a member of a duly constituted fire department whether professional or volunteer;
(11) A person acts “intentionally” with respect to a result or to conduct described by a statute defining an offense when his conscious objective is to cause such result or to engage in such conduct;
(12) A person acts “knowingly” with respect to conduct or to a circumstance described by a statute defining an offense when he is aware that his conduct is of such nature or that such circumstance exists;
(13) A person acts “recklessly” with respect to a result or to a circumstance described by a statute defining an offense when he is aware of and consciously disregards a substantial and unjustifiable risk that such result will occur or that such circumstance exists. The risk must be of such nature and degree that disregarding it constitutes a gross deviation from the standard of conduct that a reasonable person would observe in the situation;
(14) A person acts with “criminal negligence” with respect to a result or to a circumstance described by a statute defining an offense when he fails to perceive a substantial and unjustifiable risk that such result will occur or that such circumstance exists. The risk must be of such nature and degree that the failure to perceive it constitutes a gross deviation from the standard of care that a reasonable person would observe in the situation;
(15) “Machine gun” means a weapon of any description, irrespective of size, by whatever name known, loaded or unloaded, from which a number of shots or bullets may be rapidly or automatically discharged from a magazine with one continuous pull of the trigger and includes a submachine gun;
(16) “Rifle” means a weapon designed or redesigned, made or remade, and intended to be fired from the shoulder and designed or redesigned and made or remade to use the energy of the explosive in a fixed metallic cartridge to fire only a single projectile through a rifled bore for each single pull of the trigger;
(17) “Shotgun” means a weapon designed or redesigned, made or remade, and intended to be fired from the shoulder and designed or redesigned and made or remade to use the energy of the explosive in a fixed shotgun shell to fire through a smooth bore either a number of ball shot or a single projectile for each single pull of the trigger;
(18) “Pistol” or “revolver” means any firearm having a barrel less than twelve inches;
(19) “Firearm” means any sawed-off shotgun, machine gun, rifle, shotgun, pistol, revolver or other weapon, whether loaded or unloaded from which a shot may be discharged;
(20) “Electronic defense weapon” means a weapon which by electronic impulse or current is capable of immobilizing a person temporarily, including a stun gun or other conductive energy device;
(21) “Martial arts weapon” means a nunchaku, kama, kasari-fundo, octagon sai, tonfa or chinese star;
(22) “Employee of an emergency medical service organization” means an ambulance driver, emergency medical technician or paramedic as defined in section 19a-175;
(23) “Railroad property” means all tangible property owned, leased or operated by a railroad carrier including, but not limited to, a right-of-way, track, roadbed, bridge, yard, shop, station, tunnel, viaduct, trestle, depot, warehouse, terminal or any other structure or appurtenance or equipment owned, leased or used in the operation of a railroad carrier including a train, locomotive, engine, railroad car, signals or safety device or work equipment or rolling stock.
(1969, P.A. 828, S. 3; 1971, P.A. 871, S. 1; 1972, P.A. 188, S. 3; P.A. 73-295; 73-639, S. 1; P.A. 74-180; 74-186, S. 8, 129; P.A. 75-283; 75-380, S. 1; P.A. 76-111, S. 9; P.A. 77-604, S. 38, 84; 77-614, S. 486, 610; P.A. 80-308; 80-394, S. 8, 13; P.A. 85-602, S. 3, 4; P.A. 86-280, S. 2; 86-287, S. 2; P.A. 90-157, S. 1; P.A. 91-171, S. 1; May 25 Sp. Sess. P.A. 94-1, S. 98, 130; P.A. 95-79, S. 182, 189; 95-277, S. 13, 19; P.A. 96-243, S. 7, 16; P.A. 00-99, S. 5, 154; 00-149, S. 1; P.A. 01-84, S. 9, 26; P.A. 02-132, S. 29; P.A. 07-123, S. 6; P.A. 11-51, S. 134; P.A. 13-170, S. 3; P.A. 15-211, S. 18; P.A. 19-108, S. 1; P.A. 21-31, S. 4.)
History: 1971 act included snowmobiles in definition of “vehicle” and added definitions of “peace officer” and “fireman”; 1972 act redefined “peace officer” to include special policemen appointed under Sec. 29-18; P.A. 73-295 added reference to special policemen appointed under Sec. 29-18a in definition of “peace officer”; P.A. 73-639 specified that weapons “whether loaded or unloaded” are deadly weapons; P.A. 74-180 amended definition of “deadly weapon” to specify its inapplicability to Secs. 29-38 and 53-206; P.A. 74-186 replaced county detectives with detectives in division of criminal justice in definition of “peace officer”, county government having been abolished; P.A. 75-283 included special policemen appointed under Sec. 29-19 in definition of “peace officer”; P.A. 75-380 added Subdivs. (15) to (19) defining “machine gun”, “rifle”, “shotgun”, “pistol” or “revolver” and “firearm”; P.A. 76-111 substituted chief inspectors and inspectors for detectives in definition of “peace officer”; P.A. 77-604 made technical grammatical correction in Subdiv. (9); P.A. 77-614 made state police department a division within the department of public safety, effective January 1, 1979, amending Subdiv. (9) accordingly; P.A. 80-308 included adult probation officers appointed under Sec. 54-104 in definition of “peace officer”; P.A. 80-394 included special deputy sheriffs in definition of “peace officer”; P.A. 85-602 redefined “peace officer” to include investigators in the investigations unit of the state treasurer's office; P.A. 86-280 defined “martial arts weapon”; P.A. 86-287 reiterated definition of “martial arts weapon” and defined “electronic defense weapon”; P.A. 90-157 added Subdiv. (22) defining “employee of an emergency medical service organization”; P.A. 91-171 included special agents of the federal government authorized to enforce the provisions of Title 21 of the United States Code in definition of “peace officer”; May 25 Sp. Sess. P.A. 94-1 amended Subdiv. (9) by making technical change, effective July 1, 1994; P.A. 95-79 redefined “person” to include a limited liability company, effective May 31, 1995; P.A. 95-277 redefined “peace officer”, to include investigators in the office of the State Treasurer rather than Workers' Compensation Commission investigators, effective June 29, 1995; P.A. 96-243 amended Subdiv. (7) to include certain dogs in the definition of “dangerous instrument”, effective June 6, 1996; P.A. 00-99 amended Subdiv. (9) by deleting reference to sheriff, deputy sheriff and special deputy sheriff and adding provision re state marshal exercising statutory authority and judicial marshal in performance of duties, effective December 1, 2000; P.A. 00-149 added Subdiv. (23) defining “railroad property”; P.A. 01-84 amended Subdiv. (10) to replace “Fireman” with “Firefighter”, effective July 1, 2001; P.A. 02-132 amended Subdiv. (9) by deleting provision re appointment under Sec. 54-104; P.A. 07-123 redefined “electronic defense weapon” in Subdiv. (20) to include “a stun gun or other conductive energy device”; pursuant to P.A. 11-51, “Department of Public Safety” was changed editorially by the Revisors to “Department of Emergency Services and Public Protection” in Subdiv. (9), effective July 1, 2011; P.A. 13-170 redefined “peace officer” in Subdiv. (9) to include member of law enforcement unit of Mashantucket Pequot Tribe or Mohegan Tribe of Indians of Connecticut under certain conditions, effective June 25, 2013; P.A. 15-211 amended Subdiv. (9) by redefining “peace officer” to include United States marshal or deputy marshal, effective June 30, 2015; P.A. 19-108 redefined “peace officer” in Subdiv. (9); P.A. 21-31 redefined “electronic defense weapon” in Subdiv. (20) to delete requirement that the weapon not be capable of inflicting death or serious physical injury, effective July 1, 2021.