lunate

Etymology
From, from.

Adjective

 * 1) Shaped like a crescent.

Noun

 * 1)  A small stone artifact, probably an arrowhead, with a blunt straight edge and a sharpened, crescent-shaped back, especially characteristic of the Mesolithic Period
 * 2)  The lunate bone

Derived terms

 * lunate sigma
 * lunate sigma
 * lunate sigma