Trestle

tres′l, n. a movable support fastened to a top-piece: the frame of a table—also, Tre ′el .— ns. Trest ( Scot. ), a beam: a stool; Tres′tle-bridge , one whose bed rests on framed sections or trestles; Tres′tle-work , a series of trestles forming a viaduct. [O. Fr. trestel ( tréteau ); ety. dub.; perh. through a Low L. dim. from L. transtrum , a beam.]