Definition from macmillandictionary.com
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There’s a loose board in the bedroom floor.
Boards had been nailed across the broken window.
We use only recycled paper and board in our packaging.
The walls were lined with insulating board.
He put the bread on the board and began to slice it.
We wanted to play chess but I couldn’t find the board.
a group of surfers waxing their boards
The board said ‘Danger – Keep Out’.
The exam results were pinned up on the board.
The train station has an electronic board showing all departure times.
an advisory/editorial board
She was appointed to the board investigating lapses in airport security.
The hospital’s board of trustees voted for the merger.
The board of governors has approved the appointment of a new head teacher.
The local school board is trying to raise teachers’ salaries.
He sits on the board of several companies.
She has recently been appointed to the board of directors.
Fred’s father is chairman of the board.
She gets £70 a week plus board and lodging (=a place to stay and meals).