Obs. [ad. L. exust-us, pa. pple. of exūrĕre: see next.] Burnt or dried up.
1657. Tomlinson, Renous Disp., 205. This Rusma is like Iron dross, but lighter, blacker, and seemingly exust.
1684. trans. Bonets Merc. Compit., III. 61/2. Hot, exust and melancholick Bloud.