plural noun
Op·​leg·​nath·​i·​dae | \ ˌä(ˌ)plegˈnathəˌdē \

Definition of Oplegnathidae

: a small family of short deep-bodied marine percoid fishes with small mouths and the teeth fused into a plate or beak — see parrot 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.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

History and Etymology for Oplegnathidae

New Latin, from Oplegnathus, type genus (from Greek hoplē hoof + New Latin -gnathus) + -idae

Keep scrolling for more

Learn More About Oplegnathidae

Dictionary Entries Near Oplegnathidae

opium poppy



See More Nearby Entries 

Statistics for Oplegnathidae

Cite this Entry

“Oplegnathidae.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Oplegnathidae. Accessed 21 Oct. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon
Seen & Heard
People are talking about


Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!