aestivation(n = noun.state) estivation - (zoology) cessation or slowing of activity during the summer; especially slowing of metabolism in some animals during a hot or dry period;
aestivation, 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.
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