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 ]
a., v. i., n. Same as æstival, æstivate, etc. [ 1913 Webster ]