[{"Bold_text": "noun", "List Items": ["a paperboard sign or notice, as one posted in a public place or carried by a demonstrator or picketer.", "Armor. placate2 ."]}, {"Bold_text": "verb (used with object)", "List Items": ["to display placards on or in:The square was placarded by peace marchers.", "to publicize, announce, or advertise by means of placards.", "to post as a placard."]}]