Definition of mesospore
1 : the middle coat of a spore that has three coats
2 : a one-celled spore found among the compound teliospores of some rusts (as members of the genus Puccinia)
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 mesospore
mesospore from mes- + -spore; mesosporium from New Latin, from mes- + -sporium
Seen and Heard
What made you want to look up mesospore? Please tell us where you read or heard it (including the quote, if possible).