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WordReference Random House Unabridged Dictionary of American English © 2024es•ti•vate (es′tə vāt′),USA pronunciation v.i., -vat•ed, -vat•ing. - to spend the summer, as at a specific place or in a certain activity.
- Zoologyto spend a hot, dry season in an inactive, dormant state, as certain reptiles, snails, insects, and small mammals. Cf. hibernate.
- Latin aestīvātus, past participle of aestīvāre to reside during the summer (akin to aestīvus of or relating to summer); see -ate1
- 1620–30
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