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Noun aestivation has 2 senses
estivation, aestivation - (zoology) cessation or slowing of activity during the summer; especially slowing of metabolism in some animals during a hot or dry period--1 is a kind of dormancy, quiescence, quiescency
 
estivation, aestivation - (botany) the arrangement of sepals and petals in a flower bud before it opens--2 is a kind of arrangement
 --2 is a part of flower bud
 
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