Dictionary
per•i•go•ni•um
Pronunciation: (per"i-gō'nē-um), [key]—
n.,
—pl. -ni•aPronunciation: (-nē-u). [key]
Bot.
the envelope of modified leaves surrounding the antheridia in mosses.
Also,per•i•gonePronunciation: (per'i-gōn"). [key]Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.