English

Noun

fermeture ‎(plural fermetures)

1. The mechanism for closing the breech of a breech-loading firearm, in artillery consisting principally of the breechblock, obturator, and carrier ring.

French

Etymology

Medieval Latin firmatura (fermer +‎ -ure)

Noun

fermeture f ‎(plural fermetures)

1. closing
2. fastener