Definitions
1.nounA small opening in a vaulted roof of a circular or crescent shape.
2.nounA crescent-shaped recess or void in the space above a window or door.
3.nounAn image or other representation of a crescent moon.
4.noun(fortifications) A field work consisting of two projecting faces forming a wedge each of which extends from one of two parallel flanks.
5.nounA luna: a crescent-shaped receptacle, often glass, for holding the (consecrated) host (the bread of communion) upright when exposed in the monstrance.
6.nounA type of flattened glass used in watch-making.
7.nounThe circular hole in the guillotine in which the victim's neck is placed.
8.nounA type of crescent-shaped dune blown up along a lake basin, especially in dry areas of Australia.
9.nounA half horseshoe, lacking the sponge.
10.nounA piece of felt to cover the eye of a vicious horse.
11.nounAn iron shoe at the end of the stock of a gun carriage.
12.noun(in the plural) See lunettes.
13.nounA particular kind of spectacles/glasses, consisting of two circles lenses connected by a half-circle bridge over the nose.