Definify.com
Webster 1913 Edition
Lunette
1.
(Fort.)
A fieldwork consisting of two faces, forming a salient angle, and two parallel flanks. See
Bastion
. 2.
(Far.)
A half horseshoe, which lacks the sponge.
3.
A kind of watch crystal which is more than ordinarily flattened in the center; also, a species of convexoconcave lens for spectacles.
4.
A piece of felt to cover the eye of a vicious horse.
5.
(Arch.)
Any surface of semicircular or segmental form; especially, the piece of wall between the curves of a vault and its springing line.
6.
An iron shoe at the end of the stock of a gun carriage.
Lunette window
(Arch.)
, a window which fills or partly fills a lunette.