Acanthopterygii

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Acanthopterygii \Ac`an*thop`ter*yg"i*i\, n. pl. [NL., from Gr. ?
     thorn + ? fin, dim. fr. ? wing.] (Zool.)
     An order of fishes having some of the rays of the dorsal,
     ventral, and anal fins unarticulated and spinelike, as the
     perch.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

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