Thornback
Pronunciation : Thorn"back`
Part of Speech : n.
Definition : 1. (Zo?l.)
Defn: A European skate (Raia clavata) having thornlike spines on its back.
2. (Zo?l.)
Defn: The large European spider crab or king crab (Maia squinado).
Source : Webster's Unabridged Dictionary, 1913