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a. A small, circular or crescent-shaped opening in a vaulted roof.
b. A crescent-shaped or semicircular space, usually over a door or window, that may contain another window, a sculpture, or a mural.
2. A fortification that has two projecting faces and two parallel flanks.
3. A broad, low-lying, typically crescent-shaped mound of sandy or loamy matter that is formed by the wind, especially along the windward side of a lake basin.
[French, from Old French lunete, moon-shaped object, diminutive of lune, moon, from Latin lūna; see lune.]
1. anything that is shaped like a crescent
2. (Architecture) an oval or circular opening to admit light in a dome
3. (Architecture) a semicircular panel containing a window, mural, or sculpture
4. (Automotive Engineering) a ring attached to a vehicle, into which a hook is inserted so that it can be towed
5. (Fortifications) a type of fortification like a detached bastion
6. (Roman Catholic Church) RC Church Also called: lune a case fitted with a bracket to hold the consecrated host
[C16: from French: crescent, from lune moon, from Latin lūna]
1. any of various objects or spaces of crescentlike or semicircular outline or section.
2. an area in a wall enframed by an arch or vault.
3. a painting, sculpture, or window filling such an area.
[1570–80; < French, diminutive of lune moon < Latin lūna; see -ette]
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|Noun||1.||lunette - temporary fortification like a detached bastion|
|2.||lunette - oval or circular opening; to allow light into a dome or vault|
opening - a vacant or unobstructed space that is man-made; "they left a small opening for the cat at the bottom of the door"
vault - an arched brick or stone ceiling or roof