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thornback

[thawrn-bak] /ˈθɔrnˌbæk/
noun
1.
a skate, Raja clavata, of European waters, having short spines on the back and tail.
2.
a California ray, Platyrhinoidis triseriatus, belonging to the guitarfish group.
Origin
1250-1300
1250-1300; Middle English; see thorn, back1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for thorn back

thornback

/ˈθɔːnˌbæk/
noun
1.
a European ray, Raja clavata, having a row of spines along the back and tail
2.
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
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8
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