[ puh-rid-ee-uh m ]
/ pəˈrɪd i əm /

noun, plural pe·rid·e·a [puh-rid-ee-uh] /pəˈrɪd i ə/. Mycology.

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

Related forms

pe·rid·i·al, adjectivepe·rid·i·i·form [puh-rid-ee-uh-fawrm] /pəˈrɪd i əˌfɔrm/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for peridium

British Dictionary definitions for peridium


/ (pəˈrɪdɪəm) /

noun plural -ridia (-ˈrɪdɪə)

the distinct outer layer of the spore-bearing organ in many fungi

Word Origin for peridium

C19: from Greek pēridion a little wallet, from pēra leather bag, of obscure origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012