estivate v 1: sleep during summer; "certain animals estivate" [syn: {estivate}, {aestivate}] [ant: {hibernate}, {hole up}]
AEstivate \[AE]s"ti*vate\, v. i. [L. aestivare, aestivatum.] 1. To spend the summer. [1913 Webster] 2. (Zool.) To pass the summer in a state of torpor. [1913 Webster] [Spelt also {estivate}.] [1913 Webster]
Estival \Es"ti*val\, a., Estivate \Es"ti*vate\, v. i., Estivation \Es`ti*va"tion\, n. Same as {[ae]stival}, {[ae]stivate}, etc. [1913 Webster]