plural noun Di·odon·ti·dae

Definition of Diodontidae

  1. :  a family of blocky to nearly spherical plectognath fishes that live in warm shallow seas and have the body covered with spines and the teeth fused into a cutting plate in each jaw — see porcupine fish

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of diodontidae

New Latin, from Diodont-, Diodon, type genus + -idae

Seen and Heard

What made you want to look up Diodontidae? Please tell us where you read or heard it (including the quote, if possible).


to help become familiar with something

Get Word of the Day daily email!