/ Dictionary / Index P placas: Meaning and Definition of Find definitions for: pla•cas Pronunciation: (plä'kuz Sp. plä'käs), [key] — sing. -ca (esp. in the southwestern U.S.) graffiti, as of initials or slogans, spray-painted on an outdoor wall, esp. in the lettering style and colors identified with an individual or a street gang. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. placard placate Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language