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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. Shaft.
(n.) A gudgeon on each side of an oscillating steam cylinder, to support it. It is usually tubular, to convey steam.

(This definition is from the 1913 Webster's Dictionary and may be outdated.)

Created by Dale Pond. Last Modification: Monday November 30, 2015 05:45:31 MST by Dale Pond.