Definition of perigon in US English:

perigon

(also perigone)

noun

Botany
  • The perianth of a flowering plant.

Origin

Mid 19th century; earliest use found in Cardale Babington (1808–1895), botanist and archaeologist. From French périgone from scientific Latin perigonium.

Pronunciation

perigon

/ˈpɛrɪɡɒn/