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De - Pt| English Dictionary: trunnion | by the DICT Development Group |
| 1 result for trunnion | |
| From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
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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 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.] | |
