Definition of "estivation" [estivation]

• The act of spending or passing the summer. (noun)
• Zoology A state of dormancy or torpor during the summer. (noun)
• Botany The arrangement of flower parts in the bud. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "This is a state called estivation; its like hibernation, but its triggered by dry and hot conditions instead of cold."
• "In my estivation, I conclude that Mother Nature is pissed about getting deep drilled and this heat is just a reminder of who is in charge."
• "During hibernation in winter and estivation in summer, animals in burrows have greatly reduced metabolic processes."