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Variant of estivate.
aestivate(ˈiːstɪˌveɪt; ˈɛs-) or
1. to pass the summer
2. (Zoology) (of animals such as the lungfish) to pass the summer or dry season in a dormant condition. Compare hibernate
[C17: from Latin aestīvātus, from aestīvāre to stay during the summer, from aestās summer]
ˈaestiˌvator, ˈestiˌvator n
v.i. -vat•ed, -vat•ing.
1. to spend the summer, as at a specific place or in a certain activity.
2. to spend a hot, dry season in an inactive, dormant state, as certain reptiles, snails, insects, and small mammals. Compare hibernate.
[1620–30; < Latin aestīvātus, past participle of aestīvāre to reside during the summer]
Past participle: aestivated