Definition of Trunneon
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.]
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.]
- Webster's Unabridged Dictionary (1913)
- a rotational bearing, any one of
- # The short stubby bearings on either side of a cannon; a gudgeon
- # A rotational bearing comprised of a rotating arc or ring sliding in a groove of a stationary arc. Used when you wish to have rotation without an axle. Used especially in table and band saws inorder to tilt the blade or table respectively. The trunnion allows the angle between the blade and table to be adjusted while keeping the point where the blade passes through the table stationary.
- The Nuttall Encyclopedia
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The correct Spelling of this word is: Trunnion
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