/ Dictionary / Index U USPHS: Meaning and Definition of Find definitions for: USPHS Pronunciation: [key] United States Public Health Service. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Uspallata Pass USPO Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language