A state of torpidity induced in some animals by the heat and dryness of the summer.

A state of inactivity during the summer months.

a period of summer dormancy. Read more on: Aestivation

The condition of dormancy or torpidity during the hot summer months. afferent

also known as "summer sleep," a state of animal dormancy somewhat similar to hibernation; takes place during times of heat and dryness, the hot dry season, which is often but not inevitably [..]

[Tepal] -- The arrangement of floral parts in the bud, e.g. imbricate.

(n) (zoology) cessation or slowing of activity during the summer; especially slowing of metabolism in some animals during a hot or dry period(n) (botany) the arrangement of sepals and petals in a flow [..]

Dormancy during summer or dry season.

A summer version of hibernation. Especially prevalent in very hot dry regions.

     dormancy in hot dry conditions analogous to hibernation in cold environments.

A state of diapause during periods of heat or drought, such as the dry season in tropical regions. The opposite of hibernation.

1. <zoology> The state of torpidity induced by the heat and dryness of summer, as in certain snails; opposed to hibernation. 2. <botany> The arrangement of the petals in a flower bud, as to folding, overlapping, etc.; prefloration. [Spelt also estivation. (01 Mar 1998)

An animal that becomes inactive in order to survive long periods of drought as in some reptiles and amphibians.

(biology) A state of inactivity and metabolic depression during summer: the summer version of hibernation. (botany) The arrangement (vernation) of the parts of a flower inside a bud; prefloration. [..]