What does trunnion mean?

Definitions for trunnion
ˈtrʌn yəntrun·nion

This dictionary definitions page includes all the possible meanings, example usage and translations of the word trunnion.


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Wiktionary

  1. trunnionnoun

    The short stubby bearings on either side of a cannon; a gudgeon

  2. trunnionnoun

    A similar rotational bearing comprising a rotating arc or ring sliding in the groove of a stationary arc, used in machinery to allow a workpiece to be moved relative to a fixed tool.

  3. Etymology: From trognon

Wikipedia

  1. Trunnion

    A trunnion (from Old French "trognon", trunk) is a cylindrical protrusion used as a mounting or pivoting point. First associated with cannons, they are an important military development.Alternatively, a trunnion is a shaft that positions and supports a tilting plate. This is a misnomer, as in reality it is a cradle for the true trunnion.In mechanical engineering (see the trunnion bearing section below), it is one part of a rotating joint where a shaft (the trunnion) is inserted into (and turns inside) a full or partial cylinder.

Webster Dictionary

  1. Trunnionnoun

    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. Trunnionnoun

    a gudgeon on each side of an oscillating steam cylinder, to support it. It is usually tubular, to convey steam

Wikidata

  1. Trunnion

    A trunnion is a cylindrical protrusion used as a mounting and/or pivoting point. In a cannon, the trunnions are two projections cast just forward of the center of mass of the cannon and fixed to a two-wheeled movable gun carriage. As they allowed the muzzle to be raised and lowered easily, the integral casting of trunnions is seen by military historians as one of the most important advances in early field artillery.

Chambers 20th Century Dictionary

  1. Trunnion

    trun′yun, n. one of the knobs on each side of a gun, on which it rests on the carriage: in steam-engines, a hollow gudgeon on each side of an oscillating cylinder, serving as a support to it.—adj. Trunn′ioned, provided with trunnions.—n. Trunn′ion-plate, a raised rim forming a shoulder around the trunnion of a gun. [Fr. trognon, a stalk—tronc, a stump—L. truncus.]

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Numerology

  1. Chaldean Numerology

    The numerical value of trunnion in Chaldean Numerology is: 8

  2. Pythagorean Numerology

    The numerical value of trunnion in Pythagorean Numerology is: 8

Popularity rank by frequency of use

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"trunnion." Definitions.net. STANDS4 LLC, 2024. Web. 19 Mar. 2024. <https://www.definitions.net/definition/trunnion>.

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