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soft-finned

[sawft-find, soft-]
adjective Ichthyology.
  1. having fins supported by articulated rays rather than by spines, as a malacopterygian.

Origin of soft-finned

First recorded in 1765–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for soft-finned

soft-finned

adjective
  1. (of certain teleost fishes) having fins that are supported by flexible cartilaginous raysSee also malacopterygian Compare spiny-finned
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