DICT.TW Dictionary Taiwan

 es·ti·va·tion /ˌɛstəˈveʃən/
 夏眠

 es·ti·va·tion /ˌɛstəˈveʃən/ 名詞
 夏蟄,夏眠,花被卷疊式

 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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 Es·ti·val a., Es·ti·vate v. i., Es·ti·va·tion n. Same as æstival, æstivate, etc.
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 estivation
      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: aestivation]
      2: (botany) the arrangement of sepals and petals in a flower
         bud before it opens [syn: aestivation]