IPA: /ˈplækɑrd/
KK: /ˈplækɑrd/
A sign or notice that is displayed in a public area to convey information or messages.
The protesters held a placard that read 'Save the Planet'.
To announce or advertise something using signs or posters that are displayed publicly.
The organization decided to placard the event to attract more attendees.
Past: placarded
Past Participle: placarded
Placard → It is formed from 'placard' (from Old French *placard*, meaning a notice or poster) and is derived from 'placer' (meaning to place). The word 'placard' refers to something that is placed or posted for public notice.
Think of a notice that is 'placed' ('placer') for everyone to see — that's what a placard is.