Half-moon tables that are perfect to put against the wall. They usually come with matching mirrors that are perfect for your living room or hallway.

Half-moon-shaped outworks, smaller than a Lunette.

A demilune (meaning "half moon") stone is shaped like a half (or smaller) moon.

(Fr.) - a crescent shaped parapet protecting a single cannon, typically ditched in front.  Also called an epaulement; in permanent fortifications, a component of the bastion.  The term was often used interchangeably with lunette, but this is imprecise.

Crescent shaped serous cell cap seen in some salivary glands