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2 definitions found

From: Webster's Revised Unabridged Dictionary (1913)

 Ac·an·thop·ter·yg·i·i n. pl.  Zool. An order of fishes having some of the rays of the dorsal, ventral, and anal fins unarticulated and spinelike, as the perch.
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From: WordNet (r) 2.0

 Acanthopterygii
      n : teleost fishes having fins with sharp bony rays [syn: superorder
           Acanthopterygii]