Meaning of “noticeboard” - Learner’s Dictionary

noticeboard

noun [ C ] uk /ˈnəʊtɪsbɔːd/ UK (US bulletin board)

B1 a board on a wall where you put advertisements and announcements:

I saw the ad on the noticeboard.

an area on a website where messages containing information for other users can be left:

online noticeboards

(Definition of “noticeboard” from the Cambridge Learner’s Dictionary © Cambridge University Press)