ˈtampēən, ˈtäm- noun
or tom·pi·on ˈtäm-
( -s )
Etymology: Middle English tampion, tampine, tampon, from Middle French tampon, tapon — more at tamp
: something that stops an opening : plug: as
a. archaic : a wooden plug used as wadding for a gun
b. : a wooden plug used to close the muzzle of a gun not in use
c. : a metal or canvas cover for the muzzle of a gun