plural noun Tri·a·can·thi·dae \ˌtrīəˈkan(t)thəˌdē\

Definition of Triacanthidae

  1. :  a family of marine fish (suborder Balistoidea) that have a protractile upper jaw, live chiefly on sandy bottoms where they feed on mollusks, and comprise the hornfishes

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 triacanthidae

New Latin, from Triacantha, type genus (from tri- + acantha) + -idae

Seen and Heard

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


to criticize severely

Get Word of the Day daily email!