- (n.) A European skate (Raia clavata) having thornlike spines on its back.
- (n.) The large European spider crab or king crab (Maia squinado).
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). thornback. Retrieved September 24, 2026, from http://smartdefine.org/thornback/definitions/2072211 |
| Chicago | Webster's. 2011. "thornback" http://smartdefine.org/thornback/definitions/2072211 (accessed September 24, 2026). |
| Harvard | Webster's 2011, thornback, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/thornback/definitions/2072211>. |
| MLA | Webster's. "thornback" 28 May 2011. Web. 24 September 2026. <http://smartdefine.org/thornback/definitions/2072211> |