 |
From The Collaborative International Dictionary of English v.0.44 [gcide]:
Trunnion \Trun"nion\, noun [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 support it on the cheeks of the carriage. See Illust. of {Cannon}.
2. (Steam Engine) A gudgeon on each side of an oscillating steam cylinder, to support it. It is usually tubular, to convey steam.
{Trunnion plate} (Gun.), a plate in the carriage of a gun, mortar, or howitzer, which covers the upper part of the cheek, and forms a bearing under the trunnion.
{Trunnion ring} (Gun.), a ring on a cannon next before the trunnions. [R.]
 |
Definitions retrieved from local copies of the freely distributed DICT client/server software and databases. Click here for database copyright information. - KM |