culet

noun
cu·​let | \ ˈkyü-lət How to pronounce culet (audio) , ˈkə-lət How to pronounce culet (audio) \

Definition of culet

1 : the small flat facet at the bottom of a brilliant parallel to the table — see brilliant illustration
2 : plate armor covering the buttocks

First Known Use of culet

1678, in the meaning defined at sense 1

History and Etymology for culet

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

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