/ Dictionary / Index P prison fever: Meaning and Definition of Find definitions for: pris'on fe"ver Pronunciation: [key] typhus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. prisoner's base prison psychosis Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language