luna, luni-, lun-, lunu- +

An instrument representing the phases and motions of the moon.

Someone who travels or has travelled to the moon; literally, "moon sailor".

1. The description and delineation of the moon’s surface.
2. The descriptive science relating to the moon; also, selenography.

The scientific study of the moon.

A rugged barren landscape of strange rock formations, similar to the surface of the moon.

1. A reference to the moon.
2. Monthly, menstrual period.
3. Someone born under the influence of the moon.
4. A crescent or half-moon.

1. Shaped like a crescent moon.
2. Of or relating to the moon.
3. A small prehistoric stone (usually flint) artifact that was probably used as an arrow-head and has an elongated half-moon shape with the straight edge unworked and the curved edge sharpened by chipping.

Shaped like a crescent.

1. Originally, affected with the kind of insanity that was supposed to have recurring periods dependent on the changes of the moon.

In modern use, synonymous with insane; current in popular and legal language, but not now employed technically by physicians.

2. A reference to things: indicating lunacy; crazy.
3. Madly foolish, frantic, idiotic, mad.
4. A person of unsound mind; a madman.
5. Utterly foolish.
6. Etymology: "affected with periodic insanity, dependent on the changes of the moon", from Old French lunatique, "insane"; from Latin lunaticus, "moon-struck", from luna, "moon".

The minority considered foolishly extremist, fanatical, etc. in a political, social, religious, or other movement.

1. The time from one new moon to the next, constituting a lunar month (29.5 days).
2. The time of the full moon.

Sleep walking; obviously, when there is some form of the shining moon.

Anything that is shaped like the crescent or half-moon.

1. Any of various figures or objects shaped like a half-moon or a crescent.
2. A crescentiform or semicircular space in a ceiling, dome, etc., decorated with paintings or sculptures; a piece of decoration filling such a space.
3. In the guillotine, the circular hole which receives the neck of the victim.

A substance capable of transmuting other substances into silver; producing silver.