tampion

[ tam-pee-uh n ]
/ ˈtæm pi ən /

noun

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

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 tap2

Example sentences from the Web for tampion

British Dictionary definitions for tampion

tampion

tompion

/ (ˈtæmpɪən) /

noun

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

Word Origin for tampion

C15: from French: tampon