motor
UK /ˈməʊtə/ · US /ˈmoʊtəɹ/ noun, adjective, verb
Forms motors motoring motored motour
- noun A machine or device that converts other energy forms into mechanical energy, or imparts motion. “The door can close by itself because there's a small motor built into it.”
- noun (now colloquial outside attributive use) A motor car, or automobile, sometimes extended to other powered vehicles, such as goods vehicles. “Nice motor!”
- noun (figuratively) A source of power for something; an inspiration; a driving force.
- noun Any protein capable of converting chemical energy into mechanical work.
- noun (Christianity, archaic, poetic) The controller or prime mover of the universe; God.
- noun (prison slang) The fermenting mass of fruit that is the basis of pruno, or "prison wine".
- adjective (biology) Relating to the ability to move. “She has excellent motor skills.”
- adjective (nautical) Propelled by an internal combustion engine (as opposed to a steam engine or turbine).
- verb (transitive, dated) To make a journey by motor vehicle; to drive. “On Saturday we motored down to Plymouth.”
- verb (transitive, aviation) To rotate a jet engine or turboprop using the engine's starter, without introducing fuel into the engine. “During startup, the engine should be motored for 20 to 30 seconds to allow the shafts to straighten out, as they may have become bowed under their own weight while the airplane was sitting on the ground.”
- verb (informal, figurative, intransitive) To progress at a brisk pace. “Sales were slow at first, but now things are really motoring.”
- verb (slang, intransitive) To leave. “I gotta motor.”
Synonyms
Etymology
From Middle English motour (“controller, prime mover; God”), from Latin mōtor (“mover; that which moves something”), from mōtō (“to set in motion”).
Webster’s 1913
- noun One who, or that which, imparts motion; a source of mechanical power.
- noun A prime mover; a machine by means of which a source of power, as steam, moving water, electricity, etc., is made available for doing mechanical work.
- adjective Causing or setting up motion; pertaining to organs of motion; - -applied especially in physiology to those nerves or nerve fibers which only convey impressions from a nerve center to muscles, thereby causing motion.
Etymology [L., fr. movere, motum, to move.]
Etymology [L. motorius that has motion. See Motor, n.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “motor”, CC BY-SA 4.0. Details