noun pro·to·basidium \"+\

Definition of protobasidium



  1. :  a basidium (as a promycelium) that is divided into four cells each of which gives rise to a single basidiospore and that is characteristic of the subclass Heterobasidiomycetes

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 protobasidium

New Latin, from prot- + basidium

Seen and Heard

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


feeling or affected by lethargy

Get Word of the Day daily email!