tampion

American  

[tam-pee-uhn] / ˈtæm pi ən /

noun

1. a plug or stopper placed in the muzzle of a piece of ordnance when not in use, to keep out dampness and dust.

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tampion British  

/ ˈtæmpɪən /

noun

1. a plug placed in a gun's muzzle when the gun is not in use to keep out moisture and dust

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Etymology

Origin of tampion

1425–75; late Middle English tampyon, variant of tampon < Middle French, nasalized variant of Old French tapon, derivative of tape plug < Germanic. See tap ²

Example Sentences

The wad, blackened with gunpowder residue, may have served as a gasket for the wooden tampion, a plug that protected the cannon muzzle from the elements.

From National Geographic

A tampion, or wad, of oakum or the like, was rammed down between the cartridge and the ball, and a second wad kept the ball in place.

From Project Gutenberg

The heavy shot were arranged in shot racks, known as "gardens," and these were ready to the gunner's hand, with "cheeses" of tampions or wads.

From Project Gutenberg