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aestivate Line breaks: aes¦tiv|ate
Pronunciation: /ˈiːstɪveɪt/
(US estivate)

Definition of aestivate in English:


[no object] Zoology
(Of an insect, fish, or amphibian) spend a hot or dry period in a prolonged state of torpor or dormancy.
Example sentences
  • The toads must aestivate during the summer, burrowing down into the soil to survive the heat.
  • When the water evaporates, the crocodiles estivate, or pass the summer in a kind of torpor.
  • Sirens are known to aestivate when in habitats subject to drought.


Early 17th century (in the sense 'pass the summer'): from Latin aestivat-, from aestivare 'spend the summer', from aestus 'heat'.

Definition of aestivate in:
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