noun Pyc·no·don·ta \ˌpiknəˈdäntə\

Definition of Pycnodonta

  1. :  a genus of large tropical oysters having strongly scalloped shells with crinkled ridges on each side of the hinge and occurring chiefly on coral reefs

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 pycnodonta

New Latin, from pycn- + -odonta

Seen and Heard

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


a trip made at another's expense

Get Word of the Day daily email!