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bouchon

noun bou·chon \ (ˈ)bü¦shän , -shōⁿ \
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Definition of bouchon

plural -s
1 : a bushing pressed into a bridge or plate of a timepiece
2 : the plug and fuze assembly of a grenade

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Origin and Etymology of bouchon

French, bouchon, cork, sheaf, from Middle French, cork, sheaf, from bouche bunch, sheaf

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