plural -s
: the mechanism closing the breech of a breech-loading firearm

Word History


French, literally, act of closing, apparatus for closing, from Middle French, from Medieval Latin firmatura lock, clasp, from Latin firmatus (past participle of firmare to make fast) + -ura -ure (verb)

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.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Dictionary Entries Near fermeture

Cite this Entry

“Fermeture.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fermeture. Accessed 24 Feb. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!