/ Dictionary / Index P poster: Meaning and Definition of Find definitions for: post•er Pronunciation: (pō'stur), [key] — n. a placard or bill posted or intended for posting in a public place, as for advertising. a person who posts bills, placards, etc. post•er Pronunciation: (pō'stur), [key] — n. See a person who travels rapidly. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: poster (Thesaurus) post entry poster child 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