Meaning of PERIDIUM in English

pəˈridēəm noun

( plural perid·ia -ēə ; also peridiums )

Etymology: New Latin, from Greek pēridion small leather bag, diminutive of pēra leather bag, wallet

: the outer envelope of the sporophore of many fungi: as

a. : the tough often two-layered cortical investment of the gleba of a gasteromycete

b. : the layer of sterile hyphae that surrounds an aecium of a rust fungus

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.