placard
1. plac.ard \'plak-.a:rd, -*rd\ n [ME placquart, a formal document, fr. MF, fr. plaquier to plate -] more at PLAQUE 1: a notice posted in a public place : POSTER 2: a small card or metal plaque 2. placard vt 1a: to cover with or as if with posters 1b: to post in a public place 2: to announce by or as if by posting