Definition of thornback in English:


Line breaks: thorn|back
Pronunciation: /ˈθɔːnbak
(also thornback ray)


  • A ray of shallow inshore waters which has spines on the back and tail, in particular:
    • a prickly-skinned European ray which is often eaten as ‘skate’ (Raja clavata, family Rajidae).a ray which lives in the warm waters of the Pacific (Platyrhinoidis triseriata, family Platyrhinidae).
    More example sentences
    • Although they do not undergo a distinct migration, thornbacks appear to move inshore slightly to spawn.
    • Although thornbacks are found throughout UK waters, as always there are certain key areas that give you a better than average chance.
    • The best ray for eating, and the one best known in Europe, is Raja clavata, the thornback ray.

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a slit made by cutting with a saw