culet

noun

cu·​let ˈkyü-lət  ˈkə-lət 

1

: the small flat facet at the bottom of a brilliant parallel to the table see brilliant illustration

2

: plate armor covering the buttocks

Word History

Etymology

French, from diminutive of cul backside, from Latin culus; akin to Old Irish cúl back

First Known Use

1678, in the meaning defined at sense 1