noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The sterile parts of a flower; collectively, the sepals and petals (or tepals); the perianth.
2. 2
   collective term for the outer parts of a flower consisting of the calyx and corolla and enclosing the stamens and pistils wordnet
3. 3
   The modified leaves around the antheridia in a bryophytic plant.
4. 4
   The wall of the sporosac in a hydroid. dated

Synonyms

All synonyms

perianthperigonechlamysfloral envelopeperianthsplash cup

Etymology

From peri- + -gonium.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.