TAMPION
tampion, tompion
(noun) plug for the muzzle of a gun to keep out dust and moisture
Source: WordNet® 3.1
Etymology
Noun
tampion (plural tampions)
A wooden plug, or a metal or canvas cover for the muzzle of a gun, a cannon or other piece of ordnance when not in use; a stopper; a bung.
(music) A plug for the upper end of an organ pipe.
Anagrams
• main pot, maintop
Source: Wiktionary
Tam"pi*on, n. Etym: [F. tampon, tapon, tape, of Dutch or German
origin. See Tap a pipe or plug, and cf. Tamp, Tampop, Tompion.]
[Written also tampeon, and tompion.]
1. A wooden stopper, or plug, as for a cannon or other piece of
ordnance, when not in use.
2. (Mus.)
Definition: A plug for upper end of an organ pipe.
Source: Webster’s Unabridged Dictionary 1913 Edition