noun gy·rog·o·nite \jīˈrägəˌnīt\

Definition of gyrogonite



  1. :  a minute ovoid spiral-marked body that is the residue of the calcareous incrustation about the female sex organs of a fossil stonewort

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 gyrogonite

New Latin Gyrogonites

Seen and Heard

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


a rounded knoll or a ridge of ice

Get Word of the Day daily email!