variants or archesporium
plural archespores
or archesporia
: the cell or group of cells from which spore mother cells develop (as those from which the microspores develop in the pollen sac or the megaspore in the ovule)

Word History


New Latin archesporium, from arche- + -sporium

First Known Use

1880, in the meaning defined above

Time Traveler
The first known use of archespore was in 1880

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.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Dictionary Entries Near archespore

Cite this Entry

“Archespore.” Dictionary, Merriam-Webster, Accessed 25 Jun. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!