Definition of aestivate in English:


Line breaks: aes¦tiv|ate
Pronunciation: /ˈiːstɪveɪt
, ˈɛst-/
(US estivate)


[no object] Zoology
  • (Of an insect, fish, or amphibian) spend a hot or dry period in a prolonged state of torpor or dormancy.
    More 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'.

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