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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples 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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012