aestivation
 夏眠


 aes·ti·va·tion /ˌɛstəˈveʃən/ 名詞
 (拉aestivatio)花被卷疊式,夏眠,夏蟄


 Æs·ti·va·tion n.
 1. Zool. The state of torpidity induced by the heat and dryness of summer, as in certain snails; -- opposed to hibernation.
 2. Bot. The arrangement of the petals in a flower bud, as to folding, overlapping, etc.; prefloration.
 [Spelt also estivation.]

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 aestivation
      n 1: (zoology) cessation or slowing of activity during the
           summer; especially slowing of metabolism in some animals
           during a hot or dry period [syn: estivation]
      2: (botany) the arrangement of sepals and petals in a flower
         bud before it opens [syn: estivation]