AESTIVATION

estivation, aestivation

(noun) (botany) the arrangement of sepals and petals in a flower bud before it opens

estivation, aestivation

(noun) (zoology) cessation or slowing of activity during the summer; especially slowing of metabolism in some animals during a hot or dry period

Source: WordNet® 3.1

---

Etymology

Noun

aestivation (countable and uncountable, plural aestivations)

(biology) A state of inactivity and metabolic depression during summer: the summer version of hibernation.

(botany) The arrangement (vernation) of the parts of a flower inside a bud; prefloration.

(obsolete) The spending or passing of a summer.

Source: Wiktionary

---

Æs`ti*va"tion, n.

1. (Zoöl.)

Definition: The state of torpidity induced by the heat and dryness of summer, as in certain snails; -- opposed to hibernation.

2. (Bot.)

Definition: The arrangement of the petals in a flower bud, as to folding, overlapping, etc.; prefloration. Gray. [Spelt also estivation.]

Source: Webster’s Unabridged Dictionary 1913 Edition

---