Anything shaped like a crescent, especially the base of a fingernail.
A semicircular or crescent-shaped Filipino butter cookie.
The moon in its first or last quarter when only half the visible face is illuminated; a quarter moon.
Synonym of black and white (“type of cookie”)
A conic section formed by the intersection of a cone with a plane that intersects the base of the cone and is not tangent to the cone. The function y(x) = 1/x draws a hyperbola.