lunar

1. (adj) Of, pertaining to, or resembling the Moon (that is, Luna, the Earth's moon). 2. (adj) (astronomy) Of or pertaining to travel through space between the Earth and the Moon, or exploration and scientific investigation of the Moon. 3. (adj) Shaped like a crescent moon; lunate. 4. (n) (anatomy) The middle bone of the proximal series of the carpus in the wrist, which is shaped like a half-moon. 5. (n) (nautical, navigation) An observation of a lunar distance (“the angle between the Moon and another celestial body”), especially for establishing the longitude of a ship at sea. 6. (adj) (chiefly historical) (Believed to be) influenced by the Moon, as in character, growth, or properties. 7. (adj) (alchemy, chemistry, historical) Of or pertaining to silver (which was symbolically associated with the Moon by alchemists). 8. (adj) Extremely high. 9. (adj) Alternative letter-case form of lunar (“pertaining to Luna, the moon of Terra”). [Of, pertaining to, or resembling the Moon (that is, Luna, the Earth's moon).]