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1. The small flat face at the bottom of a gem cut as a brilliant.
2. Armor consisting of overlapping plates used to protect the buttocks.
1. (Jewellery) jewellery the flat face at the bottom of a gem
2. (Arms & Armour (excluding Firearms)) either of the plates of armour worn at the small of the back
[C17: from obsolete French, diminutive of cul, from Latin cūlus bottom]
1. the flat bottom surface of a faceted gemstone, parallel to the girdle.
2. plate armor for the haunches.
[1670–80; < French (obsolete) =cul bottom (< Latin cūlus buttocks) + -et -et]