Lune (?), n. [L. luna moon: cf. F. lune. See Luna.]

1.

Anything in the shape of a half moon.

[R.]

2. Geom.

A figure in the form of a crescent, bounded by two intersecting arcs of circles.

3.

A fit of lunacy or madness; a period of frenzy; a crazy or unreasonable freak.

[Obs.]

These dangerous, unsafe lunes i' the king. Shak.

 

© Webster 1913.