• WordNet 3.6
    • n estivation (botany) the arrangement of sepals and petals in a flower bud before it opens
    • n estivation (zoology) cessation or slowing of activity during the summer; especially slowing of metabolism in some animals during a hot or dry period
    • ***
Webster's Revised Unabridged Dictionary
    • Estivation Same as Æstival Æstivate, etc.
    • ***
Century Dictionary and Cyclopedia
    • n estivation The act of passing the summer.
    • n estivation Specifically In zoology, the summer sleep of certain animals, as mollusks; the act of falling into a more or less permanent condition of sleep or dormant state in summer.
    • n estivation In botany, prefloration; the disposition of the parts of a flower in the bud.
    • ***
Chambers's Twentieth Century Dictionary
    • Estivation . See Æstival, Æstivation.
    • ***


In literature:

On the under story, towards the garden, let it be turned to a grotto, or a place of shade, or estivation.
"Essays" by Francis Bacon
ESTIVAL (Abbe d'), provincial priest and Lenten exhorter at the church of Saint-Jacques du Haut-Pas, Paris.
"Repertory Of The Comedie Humaine, Complete, A -- Z" by Anatole Cerfberr and Jules François Christophe
The dry season here is not excessive, nor is there any estivation, as in some tropical countries.
"The Western World" by W.H.G. Kingston

In news:

COLUMBIA — People will have to pay to get close to some of the bigger stages at this year's Roots 'N' Blues 'N' BBQ F estival under a plan presented to the Columbia City Council.

In science:

In addition, one of the main conclusions of a study of existing tests suites conducted during the first stage of the pro ject (Estival et al. (1994)) was that the reusability of existing test suites is severely hampered by their lack of structure and annotations.
TSNLP - Test Suites for Natural Language Processing
Estival et al. (1994)) and using the annotation schema sketched above, the construction of test data was based on a classification of the (syntactic) phenomena to be covered.
TSNLP - Test Suites for Natural Language Processing
Regnier-Prost (principal authors), Doug Arnold, Lorna Balkan, Frederik Fouvry, Judith Klein, Klaus However, while this work can be seen as an imNetter, Stephan Oepen, Dominique Estival, Kirsten portant step in the right direction, we are very Falkedal, and Sabine Lehmann. 1995a.
TSNLP - Test Suites for Natural Language Processing