peridea

peridium

[puh-rid-ee-uhm]
noun, plural peridea [puh-rid-ee-uh] . Mycology.
the outer enveloping coat of the fruit body in many fungi.

Origin:
1815–25; < Neo-Latin < German pērídion, diminutive of pḗra wallet; see -idium

peridial, adjective
peridiiform [puh-rid-ee-uh-fawrm] , adjective
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World English Dictionary
peridium (pəˈrɪdɪəm)
 
n , pl -ridia
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]

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