Lewis Short
intĕr-āresco, ĕre
* V. inch. n., to become dry, to dry up.
* Lit., Vitr. 7, 8, 2: animalia sine humoris potestate interarescent,will die off,id. 8 praef. § 3.
* Trop., to dry up, decay; with exstingui et cadere, Cic. Tusc. 5, 14, 40.
Charlton T. Lewis, Charles Short, A Latin Dictionary