Definition of perisporangium in English:

perisporangium

noun

Botany
rare
  • A structure surrounding a sporangium; especially the indusium of a fern.

Origin

Mid 19th century; earliest use found in John Stevens Henslow (1796–1861), botanist and Church of England clergyman. From scientific Latin perisporangium from peri- + sporangium.

Pronunciation

perisporangium

/ˌpɛrɪspəˈran(d)ʒɪəm/