/ Dictionary / Index T typhus: Meaning and Definition of Find definitions for: ty•phus Pronunciation: (tī'fus), [key] — n. Pathol. an acute, infectious disease caused by several species of Rickettsia, transmitted by lice and fleas, and characterized by acute prostration, headache, and a peculiar eruption of reddish spots on the body. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: typhus (Thesaurus) typhoon typical Related Content Daily Word Quiz: aversion Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language