Rom. Myth. a son of Mars and founder and first king of Rome, deified as Quirinus: he and his twin brother, Remus, left as infants to die in the Tiber, are suckled by a she-wolf
Origin of RomulusClassical Latin
The son of Mars and eponymous founder of Rome who, with his twin brother, Remus, was reared and suckled by a wolf.