bouchon
noun
bou·chon
(ˈ)bü¦shän,
-shōⁿ
plural -s
1
: a bushing pressed into a bridge or plate of a timepiece
2
: the plug and fuze assembly of a grenade
Word History
Etymology
French, bouchon, cork, sheaf, from Middle French, cork, sheaf, from bouche bunch, sheaf