from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Spiny-finned.

from The Century Dictionary and Cyclopedia

  • Having spines in the fins: said of certain fishes, particularly when more than one or two spines are present in the dorsal fin. Fishes with only a single dorsal spine do not technically belong to the spiny-rayed fishes, Acanthopteri.


Sorry, no etymologies found.


Wordnik is becoming a not-for-profit! Read our announcement here.


Log in or sign up to get involved in the conversation. It's quick and easy.