culet
/ˈkjuːlɪt/
noun
- The small flat facet at the bottom of a cut gemstone, especially a diamond.
- A well-cut diamond has a tiny culet that is barely visible to the naked eye.
- The jeweler examined the culet of the diamond to check for chips.
- The culet helps protect the point of the gem from damage.
- The lower part or backside of a piece of armor, such as a plate protecting the buttocks.
- The museum displayed a suit of armor with an elaborately decorated culet.
- In medieval armor, the culet was attached to the back of the breastplate.
- The knight's culet was made of overlapping steel plates.