peridium
Pronunciation: /pɪˈrɪdɪəm/
Definition of peridium
noun ( plural peridia /-dɪə/)
BotanyOrigin:
early 19th century: from Greek pēridion, literally 'small wallet', diminutive of pēra
early 19th century: from Greek pēridion, literally 'small wallet', diminutive of pēra