Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun perigonium

1 sense of perigonium

Sense 1
perianth, chlamys, floral envelope, perigone, perigonium -- (collective term for the outer parts of a flower consisting of the calyx and corolla and enclosing the stamens and pistils)
       => plant organ -- (a functional and structural unit of a plant or fungus)
       => covering, natural covering, cover -- (a natural object that covers or envelops; "under a covering of dust"; "the fox was flushed from its cover")