Definition of peridiole in US English:

peridiole

noun

Mycology
  • A small or secondary peridium; specifically a compartment of a gleba, often serving in spore dispersal.

Origin

Mid 19th century; earliest use found in Robert Mayne (1808–1868). From scientific Latin peridiolum from peridium + -olum.

Pronunciation

peridiole

/pɪˈrɪdɪəʊl/