trunnion — 1620s, either of two round projections of a cannon, from Fr. trognon core of fruit, stump, tree trunk, from M.Fr. troignon (14c.), probably, from L. truncus (see TRUNK (Cf. trunk)) … Etymology dictionary
trunnion — [trun′yən] n. [Fr trognon, a stump, trunk] 1. either of two projecting pivots, located on each side of a cannon or its mount, by which the muzzle is raised and lowered 2. either of any similar pair of pins or pivots … English World dictionary
Trunnion — A trunnion is a cylindrical protrusion used as a mounting and/or pivoting point. Usages In weapons *In a cannon, the trunnions are the two projections on the side of the barrel which mount the barrel in the carriage. As they allowed the barrel to … Wikipedia
Trunnion plate — Trunnion Trun nion, n. [OF. trognon the stock, stump, or truck of a tree, F. trognon a core, stalk, fr. tron a trunk, stem. Cf. {Trunk}.] 1. (Gun.) A cylindrical projection on each side of a piece, whether gun, mortar, or howitzer, serving to… … The Collaborative International Dictionary of English
Trunnion ring — Trunnion Trun nion, n. [OF. trognon the stock, stump, or truck of a tree, F. trognon a core, stalk, fr. tron a trunk, stem. Cf. {Trunk}.] 1. (Gun.) A cylindrical projection on each side of a piece, whether gun, mortar, or howitzer, serving to… … The Collaborative International Dictionary of English
trunnion — noun Etymology: French trognon core, stump Date: circa 1625 a pin or pivot on which something can be rotated or tilted; especially either of two opposite gudgeons on which a cannon is swiveled … New Collegiate Dictionary
trunnion — trunnioned, adj. /trun yeuhn/, n. 1. either of the two cylindrical projections on a cannon, one on each side for supporting the cannon on its carriage. 2. any of various similar supports for machinery. [1615 25; < F trognon trunk, stump, core (of … Universalium
trunnion — noun /ˈtrʌn,i.ən/ a) The short stubby bearings on either side of a cannon; a gudgeon b) A similar rotational bearing comprised of a rotating arc or ring sliding in the groove of a stationary arc, used in machinery to allow a workpiece to be moved … Wiktionary
trunnion — Смотри Цапфа … Энциклопедический словарь по металлургии
trunnion — [ trʌnjən] noun a pin or pivot forming one of a pair on which something is supported. Origin C17: from Fr. trognon core, tree trunk … English new terms dictionary
