Board

A relatively long, wide and thin piece of any material, usually wood or similar, often for use in construction or furniture-making.

A device (e.g., switchboard) containing electrical switches and other controls and designed to control lights, sound, telephone connections, etc.

A flat surface with markings for playing a board game.

"Each player starts the game with four counters on the board."

Short for blackboard, whiteboard, chessboard, surfboard, message board (on the Internet), etc.

To step or climb onto or otherwise enter a ship, aircraft, train or other conveyance.

"It is time to board the aircraft."

To provide someone with meals and lodging, usually in exchange for money.

"to board one's horse at a livery stable"

To receive meals and lodging in exchange for money.

To capture an enemy ship by going alongside and grappling her, then invading her with a boarding party

A rebound.