thornback | Dictionary of The Vulgar Tongue by Francis Grose

Thornback
·noun The large European spider crab or king crab (Maia squinado). II. Thornback ·noun A European s...

Webster's Dictionary of the English Language
thornback
n. special name for one of theStingrays, Raia lemprieri, Richards., or Rajarostata, Castln., family...

Dictionary of Australasian Words Phrases and Usages by Edward E. Morris