lever
1. le.ver \'lev-*r, 'le--v*r\ n [ME, fr. OF levier, fr. lever to raise, fr. L levare; akin to] L levis light in weight - more at LIGHT 1a: a bar used for prying or dislodging something 1b: an inducing or compelling force : TOOL 2a: a rigid piece that transmits and modifies force or motion when forces a re applied at two points and it turns about a third; specif : a rigid bar used to exert a pressure or sustain a weight at one point of its length by the application of a force at a second and turning at a third on a fulcrum 2b: a projecting piece by which a mechanism is operated or adjusted 2. lever \'lev-(*-)rin, 'le-v-\ vt or le.ver.ing 1: to pry, raise, or move with or as if with a lever 2: to operate (a device) in the manner of a lever
Webster's English Dictionary