n.1. Any of various cartilaginous fishes of the superorder Batoidea, having ventral gill slits, enlarged pelvic fins that are fused to the sides of the head, and a flattened body, and including the stingrays, skates, and guitarfishes.
2. Any of various members of this superorder having a whiplike tail usually with a stinging spine, such as a stingray, considered in contrast to a guitarfish, sawfish, or skate.