sting ray

GNU Webster's 1913

1. n. any one of numerous species of rays of the family Trygonidæ having one or more large, sharp, barbed dorsal spines on the whiplike tail. Called also stingaree.
2. n. (Zoöl.) See under 6th Ray.
3. n. Any one of numerous rays of the family Dasyatidæ, syn. Trygonidæ, having one or more large sharp barbed dorsal spines, on the whiplike tail, capable of inflicting severe wounds. Some species reach a large size, and some, esp., on the American Pacific coast, are very destructive to oysters.