Thorn″back′ (?), n. 1. (Zoöl.) A European skate (Raia clavata) having thornlike spines on its back.
2. (Zoöl.) The large European spider crab or king crab (Maia squinado).
Webster's Dictionary 1913
Thorn″back′ (?), n. 1. (Zoöl.) A European skate (Raia clavata) having thornlike spines on its back.
2. (Zoöl.) The large European spider crab or king crab (Maia squinado).