From BiblePortal Wikipedia

Webster's Dictionary [1]

(1): (n.) Anything having the shape of a crescent or new moon.

(2): (n.) A symbol of Artemis, or Diana.

(3): (n.) The increasing moon; the moon in her first quarter, or when defined by a concave and a convex edge; also, applied improperly to the old or decreasing moon in a like state.

(4): (n.) A representation of the increasing moon, often used as an emblem or badge

(5): (n.) The emblem of the Turkish Empire, adopted after the taking of Constantinople.

(6): (n.) Any one of three orders of knighthood; the first instituted by Charles I., king of Naples and Sicily, in 1268; the second by Rene of Anjou, in 1448; and the third by the Sultan Selim III., in 1801, to be conferred upon foreigners to whom Turkey might be indebted for valuable services.

(7): (n.) The emblem of the increasing moon with horns directed upward, when used in a coat of arms; - often used as a mark of cadency to distinguish a second son and his descendants.

(8): (n.) The ancient symbol of Byzantium or Constantinople.

(9): (a.) Increasing; growing.

(10): (v. t.) To form into a crescent, or something resembling a crescent.

(11): (v. t.) To adorn with crescents.

(12): (a.) Shaped like a crescent.

Cyclopedia of Biblical, Theological and Ecclesiastical Literature [2]

the emblem of the Ottoman empire. (See Constantinople) (1, 1).