a large printed picture, photograph, or notice that you stick or pin to a wall or board, usually for decoration or to advertise something:
The children put up posters on the classroom walls.
We noticed a poster advertising a circus.
a large printed picture, photograph, or notice that you stick or pin to a wall or board, usually for decoration or to advertise something:
The children put up posters on the classroom walls.
We noticed a poster advertising a circus.