- the outer enveloping coat of the fruit body in many fungi.
Origin of peridium
1815–25; < New Latin < German pērídion, diminutive of pḗra wallet; see -idium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for peridium
The peridium is globe-shaped, sessile, without a stem-like base.
The peridium is round or conical and it dehisces by breaking away at the base.
The peridium breaks in various ways to permit the spores to escape.
The capillitium and fragment of the peridium of the same species, 380.The North American Slime-Moulds
Thomas H. (Thomas Huston) MacBride
The opening of a peridium, when ripe, to discharge the spores.Among the Mushrooms
Ellen M. Dallas and Caroline A. Burgin
- the distinct outer layer of the spore-bearing organ in many fungi
C19: from Greek pēridion a little wallet, from pēra leather bag, of obscure origin