lune

Short definition from Wiktionary

Noun

1. 1
   A fit of lunacy or madness; a period of frenzy; a crazy or unreasonable freak.
2. 2
   A concave figure formed by the intersection of the arcs of two circles on a plane, or on a sphere the intersection between two great semicircles.
3. 3
   Anything crescent-shaped.
4. 4
   A leash for a hawk.

Proper noun

1. 1
   A river in Cumbria and Lancashire, England, which passes Lancaster.