trunnion

[ truhn-yuhn ]

noun

1. either of the two cylindrical projections on a cannon, one on each side for supporting the cannon on its carriage.
2. any of various similar supports for machinery.

trunnion

/ ˈtrʌnjən /

noun

1. one of a pair of coaxial projections attached to opposite sides of a container, cannon, etc, to provide a support about which it can turn in a vertical
2. the structure supporting such a projection

Derived Forms

• ˈtrunnioned, adjective

Other Words From

• trunnioned adjective

Word History and Origins

Origin of trunnion¹

First recorded in 1615–25, trunnion is from the French word trognon trunk, stump, core (of fruit)

Word History and Origins

Origin of trunnion¹

C17: from Old French trognon trunk

Example Sentences

"Very good, my General," Dominique assented excitedly, and pushing the rusty trunnion they got it into position.

From Project Gutenberg

To this hollow trunnion there is connected the pipe from a powerful blowing engine, so that air can be driven in at will.

From Project Gutenberg

Trunnion was incensed by this absurd renunciation, nor did Peregrine bear with patience the injurious declaration.

From Project Gutenberg

The re-enforce is strengthened by two rows of steel hoops; the trunnion hoops form one of the outer layers.

From Project Gutenberg

The metal of the gun was ripped off for eighteen inches, and the trunnion ring was also started by the force of the blow.

From Project Gutenberg