Trunnion Definition

trŭnyən
noun
Either of two projecting pivots, located on each side of a cannon or its mount, by which the muzzle is raised and lowered.
Webster's New World
Either of any similar pair of pins or pivots.
Webster's New World

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.

Wiktionary

Other Word Forms of Trunnion

Noun

Singular:
trunnion
Plural:
trunnions

Origin of Trunnion

  • From French trognon (“core, stump").

    From Wiktionary

  • French trognon stump

    From American Heritage Dictionary of the English Language, 5th Edition

Trunnion Sentence Examples

  • A few of these guns have a trunnion ring made of cast iron.

  • To make the ligament, a very large number of exceedingly fine copper wires laid close together are soldered to the upper surface of the upper trunnion.

  • Owing to the conical shape of the early muzzle-loading guns, if one trunnion were higher than the other, the " line of metal " would no longer be in the same vertical plane as the axis; in consequence of this, if a gun with, say, one wheel higher than the other were layed by this line, the axis would point off the target to the side of the lower wheel.

  • Watkin, C.B., introduced a hydroclinometer fixed on the trunnion.

  • The bearings for receiving these trunnions are V-shaped; the V on one side is fixed, while the other is cut through and can be narrowed or made wider, thus lifting or lowering the trunnion by means of two capstan-headed screws.

More Sentences

Trunnion Is Also Mentioned In

Find Similar Words

Find similar words to trunnion using the buttons below.

Words Starting With

TTRTRU

Words Ending With

NONION

Unscrambles

trunnion

Words Starting With T and Ending With N

Starts With T & Ends With NStarts With TR & Ends With NStarts With T & Ends With ON

Word Length

8 Letter Words8 Letter Words Starting With T8 Letter Words Ending With N