lunar

The middle bone of the proximal series of the carpus in the wrist, which is shaped like a half-moon.

An observation of a lunar distance, especially for establishing the longitude of a ship at sea.

Of, pertaining to, or resembling the Moon (that is, Luna, the Earth's moon); Lunar.

“lunar observations  a lunar eclipse”

Shaped like a crescent moon; lunate.

(Believed to be) influenced by the Moon, as in character, growth, or properties.

Of or pertaining to silver (which was symbolically associated with the Moon by alchemists).

Of or pertaining to travel through space between the Earth and the Moon, or exploration and scientific investigation of the Moon.