a) A relatively long, wide and thin piece of sawn wood or similar material, usually intended for use in construction.
We have to wait to hear back from the board.
b) A device (e.g., switchboard) containing electrical switches and other controls and designed to control lights, sound, telephone connections, etc.
Room and board
Ere long with like againe he boorded mee, / Saying, he now had boulted all the floure [...].
Wikipedia foundation.