Thornback Definition
thôrnbăk
noun
Any of several European rays with many tubercles on the back and a double row of spines on the tail.
Webster's New World
A guitarfish (Platyrhinoidis triseriata) with spines on the back, found in the Pacific.
Webster's New World
A large European spider crab (Maja squinado) with a spiny back.
Webster's New World
Any animal with a thorny back, especially marine animals, such as:
Wiktionary
Other Word Forms of Thornback
Noun
Singular:
thornback
Plural:
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