excalfactorius

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

excalfactōrĭus, a, um, adj. [excalfacio],

warming , heating (a Plinian word), Plin. 21, 18, 72, § 120; 24, 11, 64, § 105; 25, 13, 95, § 152.