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spiny-finned

[ spahy-nee-find ]

adjective

, Ichthyology.
  1. having fins with sharp bony rays, as an acanthopterygian.

spiny-finned

adjective

  1. See soft-finned, acanthopterygian
    (of certain fishes) having fins that are supported by stiff bony spines See also acanthopterygian Compare soft-finned

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Word History and Origins

Origin of spiny-finned1

First recorded in 1880–85

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spiny dormousespiny-headed worm

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