Board

1. A long, flat slab of sawed lumber; a plank. He sawed the board to repair the porch.
2. Games. A flat surface on which a game is played. We set up a checker board to play checkers.
3. An organized body of administrators or investigators. The board of trustees oversees the finances of the college.
4. To cover or close with wooden planks. They boarded up the windows before the storm arrived.
5. To furnish with meals in return for pay. We paid $5 a week for room and board.