Cupid, in Roman mythology, the god of love. He was the son of Venus. His father sometimes was named as Mars, at other times as Jupiter or Mercury. Cupid is the Roman equivalent of the Greek god of love, Eros. He usually is pictured as a winged and naked infant, armed with a bow and arrows, and blind or blindfolded. A person whose heart was pierced by Cupid's arrow was supposed to fall in love with someone. The story of his love for Psyche, a mortal girl, is told in Apuleius' The Golden Assand other literary accounts.Cupid was the Roman god of love.