perigonium

[ per-i-goh-nee-uh m ]
/ ˌpɛr ɪˈgoʊ ni əm /

noun, plural per·i·go·ni·a [per-i-goh-nee-uh] /ˌpɛr ɪˈgoʊ ni ə/. Botany.

the envelope of modified leaves surrounding the antheridia in mosses.
Also per·i·gone [per-i-gohn] /ˈpɛr ɪˌgoʊn/.

Origin of perigonium

From New Latin, dating back to 1810–20; see origin at peri-, -gonium

Related forms

per·i·go·ni·al, per·i·go·nal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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