What is the meaning of Poster?

A picture of a celebrity, an event etc., intended to be attached to a wall.

An advertisement to be posted on a pole, wall etc. to advertise something.

One who posts a message.

A shot that hits a goalpost, scoring one point.

A shot that hits a goalpost instead of passing into the goal.

A dunk over a defending player.

To decorate with posters.

A posthorse.

A swift traveller; a courier.

a trade union member who is on the lookout to deter strikebreakers

a poster, a large sheet of printed paper that is hung vertically (e.g. on a wall)

a billboard or placard to be posted on a public or private place

a poster, one who posts messages on-line

to post, (put in the) mail

to post

poster (A billboard to be posted on a public or private place)

poster (picture intended to be attached to a wall)

to post

poster

a poster; picture of celebrity, activity etc. to be posted

indefinite plural of post

poster (picture intended to be attached to a wall)

poster (advertisement to be posted on a post, wall, etc.)

poster

poster

Source: wiktionary.org