/ Dictionary / Index P prostie: Meaning and Definition of Find definitions for: pros•tie Pronunciation: (pros'tē), [key] — n. Slang. a prostitute. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. prosthodontist Prostigmin 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