What does estivation mean?
• ESTIVATION (noun) The noun ESTIVATION has 2 senses: 1. (zoology) cessation or slowing of activity during the summer; especially slowing of metabolism in some animals during a hot or dry period 2. (botany) the arrangement of sepals and petals in a flower bud before it opens Familiarity information: ESTIVATION used as a noun is rare.