- belonging or pertaining to the Malacopterygii (Malacopteri), a group of soft-finned, teleost fishes.
Origin of malacopterygian
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- of, relating to, or belonging to the Malacopterygii, a group of teleost fishes, including herrings and salmon, having soft fin rays
- any malacopterygian fish; a soft-finned fish
C19: from New Latin Malacopterygii, from malaco- + Greek pterux wing, fin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012