es·ti·vate also aes·ti·vate 
(ĕstə-vāt′)
(ĕstə-vāt′)intr.v. es·ti·vat·ed, es·ti·vat·ing, es·ti·vates also aes·ti·vat·ed or aes·ti·vat·ing or aes·ti·vates
1. Zoology To be in a dormant or torpid state during a hot dry period, such as the summer months.
2. To spend the summer, especially at a different place from one's usual residence.
[Latin aestīvāre, aestīvāt-, from aestīvus, estival; see ESTIVAL.]
- Underground Railroad
- undergrown
- undergrowth
- underhair
- underhand
- underhanded
- underhandedly
- underhandedness
- under hat
- underhung
- underinsurance
- underinsured
- under/in the circumstances
- underived
- underkill
- underlaid
- underlain
- underlay
- underlay
- underlayment
- underlet
- underlie
- underline
- underling
- underlining