Lewis & Short

fervesco, ĕre, v. inch. n. [ferveo], to become boiling hot, to begin to boil, begin to glow, to grow hot.

  1. I. Lit. (ante-class. and post-Aug.): possent seriae fervescere, Plaut. Capt. 4, 4, 9: fervescens materia, Plin. 33, 6, 35, § 107: terrae sole, Lucr. 6, 851: summa pars corporis, id. 6, 1164: ventus mobilitate sua, id. 6, 177: ventorum validis fervescunt viribus undae, boil up, id. 3, 491.
  2. * II. Trop.: (animus) in ira cum fervescit, Lucr. 3, 289.