opercle

noun oper·cle \ōˈpərkəl, ˈōpər-\

Definition of opercle

plural

-s

  1. :  operculum; specifically :  the upper posterior and usually the largest bone of the operculum of a 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 opercle

Latin operculum cover — more at operculum


Seen and Heard

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

WORD OF THE DAY

to help become familiar with something

Get Word of the Day daily email!