Definition of bouchon
1 : a bushing pressed into a bridge or plate of a timepiece
2 : the plug and fuze assembly of a grenade
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Join MWU now and get access to America’s largest dictionary, with:
- 300,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of bouchon
French, bouchon, cork, sheaf, from Middle French, cork, sheaf, from bouche bunch, sheaf
Seen and Heard
What made you want to look up bouchon? Please tell us where you read or heard it (including the quote, if possible).