perigonium

noun, plural per·i·go·ni·a

[-nee-uh] . Botany.

the envelope of modified leaves surrounding the antheridia in mosses.

Also, per·i·gone

[per-i-gohn] .

Origin:
1810–20; < Neo-Latin; see peri-, -gonium

Related forms

per·i·go·ni·al, per·i·go·nal, adjective

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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WordNet

perigonium
noun
collective term for the outer parts of a flower consisting of the calyx and corolla and enclosing the stamens and pistils [syn: perianth]

WordNet® 3.0, © 2006 by Princeton University.
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Relevant Questions

00:10

Perigonium is always a great word to know.

So is slumgullion. Does it mean:

a stew of meat, vegetables, potatoes, etc.

an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.

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per·i·go·ni·um