lüˈnet noun
( -s )
Etymology: in sense 1, probably from (assumed) Middle French lunette (whence French lunette horseshoe having the front semicircular part only), literally, small object resembling a full moon or a crescent moon, from Old French lunete small object resembling a full moon or a crescent moon, reflecting part of a circular mirror, from lune moon (from Latin luna ) + -ete -ette; in other senses, from French lunette small opening, lunettes (plural) blinders for a horse, spectacles, from Old French lunete
1. : a horseshoe having the front semicircular part only
2.
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 a window, by several windows, or by mural painting
3. : a blinder especially for a vicious horse
4.
a. lunettes plural : spectacles
b. : a convexo-concave lens for spectacles
5. : a fieldwork consisting of two faces forming a salient angle and two parallel flanks — compare redan
6.
a. : the figure or shape of a crescent moon
peered through the lunettes made by the screen wipers — Margery Allingham
b. : an ornament of crescent shape
a gold lunette set with diamonds
7. : a watch crystal having a curved top glass streamlined to allow clearance to the watch hands
8. : a gold or gilt clip or a crystal case of crescent shape used to hold the Host upright in the monstrance
9. : a ring in the trail plate of a towed vehicle (as a gun carriage) that is used to attach the towed vehicle to the limber
10. : a small open frame with a glass bottom carried by divers
11. : a broad low somewhat crescentic mound of loamy or sandy material formed by the wind