/ Dictionary / Index M motion: Meaning and Definition of Find definitions for: mo•tion Pronunciation: (mō'shun), [key] — n. the action or process of moving or of changing place or position; movement. power of movement, as of a living body. the manner of moving the body in walking; gait. a bodily movement or change of posture; gesture. a proposal formally made to a deliberative assembly: to make a motion to adjourn. an application made to a court or judge for an order, ruling, or the like. a suggestion or proposal. an inward prompting or impulse; inclination: He will go only of his own motion. melodic progression, as the change of a voice part from one pitch to another. a piece of mechanism with a particular action or function. the action of such a mechanism. to do something halfheartedly, routinely, or as a formality or façade. in active operation; moving: The train was already in motion when he tried to board it. —v.t. to direct by a significant motion or gesture, as with the hand: to motion a person to a seat. —v.i. to make a meaningful motion, as with the hand; gesture; signal: to motion to someone to come. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: motion (Thesaurus) motile motionless Related Content Daily Word Quiz: wizened Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language