board noun definition in In school topic from the Oxford Advanced Learner's Dictionary

board

 noun: In school topic
[countable] (especially in compounds) a piece of wood, or other strong material, that is used for a special purpose a blackboard I'll write it up on the board. (British English) a noticeboard (North American English) a bulletin board The exam results went up on the board. a diving board She jumped off the top board. a chessboard He removed the figure from the board.