n. | 1. | A public proclamation; a manifesto or edict issued by authority. |
| 2. | Permission given by authority; a license; as, to give a placard to do something. |
| 3. | A written or printed paper, as an advertisement or a declaration, posted, or to be posted, in a public place; a poster. |
| 4. | (Anc. Armor) An extra plate on the lower part of the breastplate or backplate. |
| 5. | A kind of stomacher, often adorned with jewels, worn in the fifteenth century and later. |
v. t. | 1. | To post placards upon or within; as, to placard a wall, to placard the city. |
| 2. | To announce by placards; as, to placard a sale. |