MS Code § 63-3-103 (2020)
2020 Mississippi Code|Title 63 - Motor Vehicles and Traffic Regulations|Chapter 3 - Traffic Regulations and Rules of the Road|Article 3 - Definitions|Vehicles, Equipment and the Like Defined|§ 63-3-103. Vehicles

 "Vehicle" means every device in, upon or by which any person or property is or may be transported or drawn upon a highway, except devices used exclusively upon stationary rails or tracks.   "Motor vehicle" means every vehicle which is self-propelled and every vehicle which is propelled by electric power obtained from overhead trolley wires, but not operated upon rails. The term "motor vehicle" shall not include electric personal assistive mobility devices.   "Motorcycle" means every motor vehicle having a saddle for the use of the rider and designed to travel on not more than three (3) wheels in contact with the ground but excluding a tractor. The term "motorcycle" includes motor scooters as defined in paragraph (j) of this subsection.   "Authorized emergency vehicle" means every vehicle of the fire department (fire patrol), every police vehicle, every 911 Emergency Communications District vehicle, every such ambulance and special use EMS vehicle as defined in Section 41-59-3, every Mississippi Emergency Management Agency vehicle as is designated or authorized by the Executive Director of MEMA and every emergency vehicle of municipal departments or public service corporations as is designated or authorized by the commission or the chief of police of an incorporated city.   "School bus" means every motor vehicle operated for the transportation of children to or from any school, provided same is plainly marked "School Bus" on the front and rear thereof and meets the requirements of the State Board of Education as authorized under Section 37-41-1.   "Recreational vehicle" means a vehicular type unit primarily designed as temporary living quarters for recreational, camping or travel use, which either has its own motive power or is mounted on or drawn by another vehicle and includes travel trailers, fifth-wheel trailers, camping trailers, truck campers and motor homes.   "Motor home" means a motor vehicle that is designed and constructed primarily to provide temporary living quarters for recreational, camping or travel use.   "Electric assistive mobility device" means a self-balancing two-tandem wheeled device, designed to transport only one (1) person, with an electric propulsion system that limits the maximum speed of the device to fifteen (15) miles per hour.   "Autocycle" means a three-wheel motorcycle with a steering wheel, nonstraddle seating, rollover protection and seat belts.   "Motor scooter" means a two-wheeled vehicle that has a seat for the operator, one (1) wheel that is ten (10) inches or more in diameter, a step-through chassis, a motor with a rating of two and seven-tenths (2.7) brake horsepower or less if the motor is an internal combustion engine, an engine of 50cc or less and otherwise meets all safety requirements of motorcycles.   "Platoon" means a group of individual motor vehicles traveling in a unified manner at electronically coordinated speeds at following distances that are closer than would be reasonable and prudent without such coordination.