Register

The word register can have several meanings. Very often it means: something that is written down so that there is a record (written proof) of something. It may, for example be a list of names.
It can also be used as a verb: to register, i.e. to write something down in an official register (e.g. a special book), e.g. to register a birth, marriage or death.
Registration is the act of registering or being registered.
Documents, records and government
Aircraft registration, compulsory registration of an aircraft with a government authority
Check register, booklet used to record account transactions
Family register, a registry used in many countries to track information of a genealogical or legal interest
Regesta, a record of assets in ancient Rome, from which the English word register is derived
Registered mail, trackable mail service available in most countries
Registered nurse
Registered partnership, similar to a civil union
Registered trademark symbol
Registration statement, in the United States, a set of documents including a prospectus, that a company must file with the Securities and Exchange Commission before it proceeds with an initial public offering
Summit register (or canister), record of visitors to a mountain's summit
Vehicle registration, compulsory registration of a vehicle with a government authority
Vehicle registration plate, metal or plastic plate attached to a motor vehicle or trailer for official identification purposes
Voter registration, entry onto an electoral roll
Technology and telecommunication
Cash register, a device for recording retail transactions and storing money
FCC registration program, relating to telephone equipment in the United States
Hardware register, a placeholder for information about some hardware condition
Image registration, process of transforming different sets of data into one coordinate system
Printing registration, in color printing, the correlating of colors in a single image
Processor register, a component inside a central processing unit for storing information
Quantum register, the quantum mechanical analogue of a classical processor register
Register, an air-return vent or heating air duct in home and office heating.
Register (photography), attribute of a lens mount system
Register (sculpture), the separation of multiple pictographic scenes from each other
Register signaling, in telecommunications
Registered user, one who registers for a program or website and provides his or her credentials to access it
Status register, a collection of flag bits for a micro-processor
Linguistics
Register and contour tones, a linguistics term for tones distinguished by relative pitch
Register (phonology), a language that combines tone with phonation
Register (sociolinguistics), a form of a language used for a particular purpose or social setting
Publications
The Des Moines Register, Des Moines, Iowa newspaper
Federal Register, public journal of the United States federal government
New Haven Register, New Haven, Connecticut newspaper
The Orange County Register, Santa Ana, California, newspaper
The Register, genealogical journal and the official publication of the New England Historic Genealogical Society
The Register (originally South Australian Gazette and Colonial Register), first newspaper in South Australia
The Register, technology news website
Sheffield Register, a defunct Sheffield, England, newspaper
Maritime
Indian Register of Shipping
International Register of Shipping
Korean Register of Shipping
Lloyd's Register
Naval Vessel Register
Norwegian International Ship Register
Norwegian Ship Register
Polish Register of Shipping
Russian Maritime Register of Shipping
USS Register, the name of more than one United States Navy ship
Music
Register (music), the relative "height" or range of a note, melody, part, musical instrument, etc.