See lunettes.
A luna: a crescent-shaped receptacle, often glass, for holding the (consecrated) host (the bread of communion) upright when exposed in the monstrance.
A field work consisting of two projecting faces forming a wedge each of which extends from one of two parallel flanks.
A type of flattened glass used in watch-making.
A small opening in a vaulted roof of a circular or crescent shape.
A half horseshoe, lacking the sponge.
A piece of felt to cover the eye of a vicious horse.
A type of crescent-shaped dune blown up along a lake basin, especially in dry areas of Australia.
An iron shoe at the end of the stock of a gun carriage.
The circular hole in the guillotine in which the victim's neck is placed.
A crescent-shaped recess or void in the space above a window or door.
A hand-held device consisting of a series of lenses and prisms, used to magnify objects so that they can be better seen from a distance, and looked at through both eyes.