Definition of perianth in English:

perianth

Syllabification: per·i·anth
Pronunciation: /ˈperēˌanTH
 
/

noun

Botany
  • The outer part of a flower, consisting of the calyx (sepals) and corolla (petals).
    More example sentences
    • Importantly, organs of the two outermost whorls of lily flower are very similar, generating a perianth of tepals, instead of sepals and petals.
    • Members of Atripliceae are characterized by flowers that are usually unisexual, with a perianth present in staminate flowers, and with pistillate flowers lacking a perianth but having accrescent bracteoles in fruit.
    • Pistillate flowers have the same perianth but the number of parts is more variable; staminodes are well developed with or without a rudimentary anther.

Origin

early 18th century: from French périanthe, from modern Latin perianthium, from Greek peri 'around' + anthos 'flower'.

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Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody