n.
Pronunciation: lü- ' net
Function: noun
Etymology: French, from Old French lunete small object shaped like the moon, from lune moon
Date: circa 1639
1 : something that has the shape of a crescent or half-moon: as a : an opening in a vault especially for a window b : the surface at the upper part of a wall that is partly surrounded by a vault which the wall intersects and that is often filled by windows or by mural painting c : a low crescentic mound (as of sand) formed by the wind
2 : the figure or shape of a crescent moon