1 definition by Melly Selly

noun: a public sign, usually paper, or a town notice. also, signs carried or worn by demonstrators or picketers.

verb: to publicize or advertise by usings placards, most commonly used when referring to protestors wearing placards.
(n) "I read about the town meeting on the placard hanging on the community bulletin board."

(v) The square was placarded by peace marchers.
by Melly Selly January 24, 2007