post·er 
/ˈpoʊstɚ/ noun
plural post·ers /ˈpoʊstɚ/ noun [count] 1 a : a usually large printed notice often having a picture on it that is put in a public place to advertise something
▪ Posters for the concert have been going up all over town. ▪ campaign posters
b : a usually large picture that is put on walls as a decoration
▪ His walls were covered with posters of his favorite bands. 2 : a person who writes messages on an online message board
▪ Posters for the concert have been going up all over town. ▪ campaign posters
b : a usually large picture that is put on walls as a decoration
▪ His walls were covered with posters of his favorite bands.
