Top Definition
The light crescent~shaped "moon" at the base of the fingernails & toenails.
Some people decorate the lunula of their fingernails & toenails. I think it's a cool name!
by Starchylde June 15, 2016
The lunula is a semilunar (half-moon) white region at the base of the nail plate, and is generally found in the thumbnail of most people and in a varying degrees in other fingers.Air mixed in with keratin and cells rich in nuclei gives the lunula it's whitish color.
His lunula is missing.
by masterman9000 April 06, 2010
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