noun

1. anything that produces or imparts motion
2. an engine; esp., an internal-combustion engine for propelling a vehicle
3. motor vehicle
4. Elec. a machine for converting electric energy into mechanical energy

Etymology: L, a mover < motus, pp. of movere, move

adjective

1. producing or imparting motion
2. of, having to do with, or powered by a motor or motors motor oil, motor parts, a motor bicycle
3. of, by, or for motor vehicles a motor trip
4. for motorists a motor inn
5. designating or of a nerve carrying impulses from the central nervous system to a muscle that produces motion
6. of, manifested by, or involving muscular movements a motor reflex, motor skills

intransitive verb

1. to ride in a motor vehicle; esp., to travel by automobile
2. Informal to walk or otherwise proceed at a swift or steady pace

transitive verb