n. (US estivation) 1 Bot. the arrangement of petals in a flower-bud before it opens (cf. VERNATION). 2 Zool. spending the summer or dry season in a state of torpor.
AESTIVATION
Meaning of AESTIVATION in English
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012