BOARD.

board

1 [countable]

information

a flat wide piece of wood, 

plastic etc that you can use to show information

on a board

The plan of the new building is displayed 

on a board at the back of the room.

I've put a list of names up on the board.

I'll check the departure board for train times.

➔ billboard, blackboard, noticeboard, scoreboard

2

for putting things on

 [countable] a flat piece 

of wood, plastic, card etc that you use for a 

particular purpose such as cutting things on, 

or for playing indoor games:

Martha was chopping vegetables 

on a wooden board.

a chess board

➔ breadboard, cheeseboard, chopping board

Definition from the Longman Dictionary 

of Contemporary English

Advanced Learner's Dictionary.