RhymeZone: movent definitions

Definitions of movent:

adjective: (obsolete) Moving; that moves; that is being moved.
noun: (archaic) Anything that is moved or that moves, or that gives motion; mover.
noun: (law) Alternative form of movant. [(law) The party who moves for the judge to rule in favor of a motion.]

(Definitions from Wiktionary)