Noun | 1. | ![]() fish family - any of various families of fish Batoidei, order Batoidei, order Rajiformes, Rajiformes - fish with dorsoventrally flattened bodies; includes: rays; skates; guitarfishes; sawfishes stingray - large venomous ray with large barbed spines near the base of a thin whiplike tail capable of inflicting severe wounds Dasyatis, genus Dasyatis - type genus of the Dasyatidae genus Gymnura, Gymnura - butterfly rays |