a shape resembling a segment of a ring tapering to points at the ends.

something, as a roll or cookie, having this shape.

Astronomy .

the figure of the moon in its first or last quarter, resembling a segment of a ring tapering to points at the ends.

the similar figure of Mercury and Venus on either side of inferior conjunction, when seen through a telescope.

the emblem of Turkey or of Islam.

the power, religion, or civilization of Turkey or of Islam.

Also called Chinese crescent , Chinese pavilion , jingling Johnny , pavillon Chinois , Turkish crescent. a musical percussion instrument of Turkish origin, consisting of a pole bearing a crescent-shaped metal plate, topped with a pavillon, and hung with small bells.

Chiefly British .

a curved street, often having solid façades of unified architectural design.

the curve or curved portion of a street.

Heraldry . a representation of a crescent moon, horns upward unless otherwise specified, used as the cadency mark of a second son.

shaped like a crescent.

increasing; growing.

adjective

bowed , bow-shaped , concave , convex , crescentic , crescentiform , curved , falcate , semicircular , bicorn , bicuspid , lunate , lunular , lunulate , meniscoid

noun

bow , concave figure , convex figure , cresentoid , curve , demilune , half-moon , horned moon , lune , meniscus , new moon , old moon , sickle , arch , concave , convex , horn , increasing , lunar , lunula , moon , semicircle