/ Dictionary / Index S septicemic plague: Meaning and Definition of Find definitions for: sep'tice'mic plague' Pronunciation: [key] — Pathol. Pathol. an especially dangerous form of plague in which the infecting organisms invade the bloodstream. Cf.(def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. septicemia septic sore throat Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language