
1) Bottom face of a gemstone 2) Bottom facet of a diamond 3) Bottom facet of a gem 4) Flat base of a brilliant 5) Flat base of a gem 6) Flat face of a gem 7) Gem face 8) Medieval armour 9) Western plate armour
Found on
https://www.crosswordclues.com/clue/culet

1) Facet
Found on
https://www.crosswordclues.com/clue/culet

In gemology, a culet is a flat face on the bottom of a gemstone. During the 14th century, after the adoption of the table cut, a further facet was added to the bottom of the cut parallel to the surface of the table. The term used for these bottom facets derives from the latin word for bottom, culus. The culet is added largely to protect the integr...
Found on
http://en.wikipedia.org/wiki/Culet
[armour] A culet is a piece of plate armour consisting of small, horizontal lames that protect the small of the back or the buttocks. ...
Found on
http://en.wikipedia.org/wiki/Culet_(armour)

armour plates for the body below the waist
Found on
http://phrontistery.info/c.html

flat back or base of a gemstone
Found on
http://phrontistery.info/c.html

(from the article `facet`) ...stone`s upper portion, from the pavilion, the stone`s base. The large facet in the crown parallel to the girdle is the table; the very small one ...
Found on
http://www.britannica.com/eb/a-z/c/167

A small polished surface placed at what would be thepoint or ridge of a facetted stone, used to reduce chipping.
Found on
http://www.encyclo.co.uk/local/22148

A culet is the bottom facet of a diamond. It is best to have a small or medium sized culet. A large culet will let the light escape, instead of reflecting it. When there is no culet, the bottom of the stone will chip easily.
Found on
http://www.encyclo.co.uk/local/22161

The small facet that forms the base of a brilliant cut diamond or gemstone and prevents it from being chipped
Found on
http://www.saffronart.com/sitepages/jewelry/glossary.aspx

Defence for the rump in a plate armour.
Found on
https://www.encyclo.co.uk/local/22686

a small face forming the bottom of a faceted gem. · a piece below the backplate, composed of lames and correspondingto the fauld in front.
Found on
https://www.infoplease.com/dictionary/culet
No exact match found.