Definition of estivation in English:


(also aestivation)


  • 1Zoology
    Prolonged torpor or dormancy of an animal during a hot or dry period.

    • ‘By shutting down their intestinal tracts during estivation, they reduce their daily energy expenditure and therefore increase the duration that they can survive dormancy.’
  • 2Botany
    The arrangement of petals and sepals in a flower bud before it opens.

    Compare with vernation
    • ‘Calibrachoa can, however, be distinguished from Petunia based on the higher chromosome number, chromosome morphology, plant branching habit and type of flower bud estivation.’