Trunnion(n.) A cylindrical projection on each side of a piece, whether gun, mortar, or howitzer, serving to support it on the cheeks of the carriage. See Illust. of Cannon.
Trunnion(n.) A gudgeon on each side of an oscillating steam cylinder, to support it. It is usually tubular, to convey steam.
Trunnioned(a.) Provided with trunnions; as, the trunnioned cylinder of an oscillating steam engine.
Words within trunnion