Cupid's bow

Cu·pid's bow  (kypdz b)

n. pl. Cupid's bows

An archery bow that curves inward at the center and usually outward at the ends.

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Cupid's bow

n

(Life Sciences & Allied Applications / Anatomy) a shape of the upper lip considered to resemble Cupid's double-curved bow

Thesaurus

Noun	1.	Cupid's bow - the double curve of the upper lip when considered to resemble Cupid's bow curve, curved shape - the trace of a point whose direction of motion changes
	2.	Cupid's bow - a curved bow with reversed curve ends bow - a weapon for shooting arrows, composed of a curved piece of resilient wood with a taut cord to propel the arrow