Corin \c(o)-rin\ as a boy's name (also used as girl's name Corin), is pronounced KOR-in. It is of Latin origin, and the meaning of Corin is "spear". From Quirinus, possibly derived from the Sabine word "quiris" meaning "spear". Quirinus was an early Sabine and Roman god of war associated with Romulus, one of the legendary co-founders of Rome, who was later identified with Mars. Name of several saints. In the English-speaking world, it is also regarded as the male form of Corinna. Actor Corin Redgrave.