n. A written or printed paper displaying some proclamation or announcement, and intended to be posted in a public place to attract public attention; a posting-bill; a poster.n. An edict, manifesto, proclamation, or command issued by authority.n. A public permit, or one given by authority; a license.n. In medieval armor, same as placcate.n. A plate or tag on which to place a mark of ownership.n. Pargeting; parget-work.n. The woodwork or cabinet-work composing the door of a closet, etc., with its framework.n. A closet formed or built in a wall, so that only the door is visible from the exterior.To post placards upon: as, to placard the walls of a town.To make known or make public by means of placards: as, to placard the failure of a bank.