'Malacopterygian' definitions:

Definition of 'malacopterygian'

From: WordNet
noun
Any fish of the superorder Malacopterygii [syn: soft- finned fish, malacopterygian] [ant: acanthopterygian, spiny-finned fish]

Definition of 'Malacopterygian'

From: GCIDE
  • Malacopterygian \Mal`a*cop`ter*yg"i*an\, n. [Cf. F. malacopt['e]rygien.] (Zool.) One of the Malacopterygii. [1913 Webster]