The word “crescent” is a noun that primarily refers to a shape resembling a half-moon or a segment of a circle that is thinner at one end and thicker at the other. It often describes the visible phase of the moon when it is less than half illuminated. The term can also be used as an adjective to describe something that has this shape. In a more specific context, “Crescent” can also refer to the crescent moon symbol, commonly associated with various cultural and religious meanings.