thornback

[ thawrn-bak ]
/ ˈθɔrnˌbæk /

noun

a skate, Raja clavata, of European waters, having short spines on the back and tail.
a California ray, Platyrhinoidis triseriatus, belonging to the guitarfish group.

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Origin of thornback

Middle English word dating back to 1250–1300; see origin at thorn, back1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for thornback

British Dictionary definitions for thornback

thornback
/ (ˈθɔːnˌbæk) /

noun

a European ray, Raja clavata, having a row of spines along the back and tail
a similar fish, Platyrhinoidis triseriata, of the Pacific Ocean
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012