Verb: estivate 'ees-tu,veyt or 'es-tu,veytUsage: N. Amer (elsewhere: aestivate)- Sleep during summer
"certain animals estivate";
- aestivate
Derived forms: estivated, estivates, estivating
Type of: catch some Z's [N. Amer, informal], sleep, slumber
Antonym: hibernate
Encyclopedia: Estivate