A Board

1. A relatively long, wide and thin piece of any material, usually wood or similar, often for use in construction or furniture-making.
2. A device (e.g., switchboard) containing electrical switches and other controls and designed to control lights, sound, telephone connections, etc.
3. A flat surface with markings for playing a board game.
4. Short for blackboard, whiteboard, chessboard, surfboard, circuit board, message board (on the Internet), etc.
5. A committee that manages the business of an organization, e.g., a board of directors.
6. (uncountable) Regular meals or the amount paid for them in a place of lodging.
7. (nautical) The side of a ship.
8. (nautical) The distance a sailing vessel runs between tacks when working to windward.
9. (ice hockey, often in the plural) The wall that surrounds an ice hockey rink.
10. (archaic) A long, narrow table, like that used in a medieval dining hall.
11. Paper made thick and stiff like a board, for book covers, etc.; pasteboard.
12. (video games) A level or stage having a particular layout.
13. (bridge) A container for holding pre-dealt cards that is used to allow multiple sets of players to play the same cards.
14. (computing, Internet) Short for message board.