from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A crescent-shaped portion of a plane or sphere bounded by two arcs of circles.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A fit of lunacy or madness; a period of frenzy; a crazy or unreasonable freak
- n. 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
- n. Anything crescent-shaped
- n. A leash for a hawk
from the GNU version of the Collaborative International Dictionary of English
- n. Anything in the shape of a half moon.
- n. A figure in the form of a crescent, bounded by two intersecting arcs of circles.
- n. A fit of lunacy or madness; a period of frenzy; a crazy or unreasonable freak.
from The Century Dictionary and Cyclopedia
- n. Anything in the shape of a crescent or half-moon.
- n. In geometry, a figure formed on a sphere or on a plane by two arcs of circles which inclose a space.
- n. A fit of lunacy or madness; a mad freak or tantrum.
- n. A leash: as, the lune of a hawk.
- n. Another spelling of loon.
Latin lūna, moon.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin luna ("moon"). (Wiktionary)
From French lune, from Latin luna. (Wiktionary)
Alteration of lyon. (Wiktionary)