culet

1. (historical) A component of armor, consisting of overlapping plates designed to protect the buttocks.
2. A small, flat face often cut at the base of a brilliant-cut gemstone.

Pronounced as (IPA)

/ˈkju.lɪt/

Etymology

From Middle French culet, diminutive of cul (“bottom”), from Latin culus (“arse”).

Synonyms

breech

cylinder head