Webster’s Revised Unabridged Dictionary · 1913
Imposthumate
Im·post′hu·mate, v. t. [See Imposthume.] To apostemate; to form an imposthume or abscess. Arbuthnot.
Im·post′hu·mate, v. t. [imp. & p. p. Imposthumated; p. pr. & vb. n. Imposthumating.] To affect with an imposthume or abscess.
Im·post′hu·mate (·māt), a. Imposthumated.