Webster's Revised Unabridged Dictionary · 1913

Board

Board (bōrd) , noun

[Old English bord, Anglo-Saxon bord board, shipboard; akin to bred plank, Icelandic bore board, side of a ship, Gothic fōtu-baurd footstool, Dutch bord board, German brett, bort. See def. 8. r92.]

1.
A piece of timber sawed thin, and of considerable length and breadth as compared with the thickness, -- used for building, etc.

When sawed thick, as over one and a half or two inches, it is usually called a plank.

2.
A table to put food upon.
Fruit of all kinds... She gathers, tribute large, and on the board Heaps with unsparing hand. — Milton

The term board answers to the modern table, but it was often movable, and placed on trestles.

3.
Hence: What is served on a table as food; stated meals; provision; entertainment; -- usually as furnished for pay; as, to work for one's board; the price of board.
4.
A table at which a council or court is held.
A council, convened for business, or any authorized assembly or meeting, public or private; a number of persons appointed or elected to sit in council for the management or direction of some public or private business or trust; as, the Board of Admiralty; a board of trade; a board of directors, trustees, commissioners, etc.
Both better acquainted with affairs than any other who sat then at that board. — Clarendon
We may judge from their letters to the board. — Porteus
5.
A square or oblong piece of thin wood or other material used for some special purpose, as, a molding board; a board or surface painted or arranged for a game; as, a chessboard; a backgammon board.
6.
Paper made thick and stiff like a board, for book covers, etc.; pasteboard; as, to bind a book in boards.
7.
The stage in a theater; as, to go upon the boards, to enter upon the theatrical profession.
8.
(Nautical) The border or side of anything.
(a)
(Nautical) The side of a ship.
(b)
(Nautical) The stretch which a ship makes in one tack.
Now board to board the rival vessels row. — Dryden

Board is much used adjectively or as the last part of a compound; as, fir board, clapboard, floor board, shipboard, sideboard, ironing board, chessboard, cardboard, pasteboard, seaboard; board measure.

Collocations (14)
The American Board , a shortened form of “The American Board of Commissioners for Foreign Missions” (the foreign missionary society of the American Congregational churches).
Bed and board , See under Bed.
Board and board (Nautical) , side by side.
Board of control , six privy councilors formerly appointed to superintend the affairs of the British East Indies. — Stormonth
Board rule , a figured scale for finding without calculation the number of square feet in a board. — Haldeman
Board of trade , in England, a committee of the privy council appointed to superintend matters relating to trade. In the United States, a body of men appointed for the advancement and protection of their business interests; a chamber of commerce.
Board wages , (a) Food and lodging supplied as compensation for services; as, to work hard, and get only board wages. (b) Money wages which are barely sufficient to buy food and lodging. (c) A separate or special allowance of wages for the procurement of food, or food and lodging. — Dryden
By the board , over the board, or side. The mast went by the board. — Totten
To go by the board , to suffer complete destruction or overthrow.
To enter on the boards , to have one's name inscribed on a board or tablet in a college as a student. [Cambridge, England.] Having been entered on the boards of Trinity college. — Hallam
To make a good board (Nautical) , to sail in a straight line when close-hauled; to lose little to leeward.
To make short boards , to tack frequently.
On board , (a) On shipboard; in a ship or a boat; on board of; as, I came on board early; to be on board ship. (b) In or into a railway car or train. [Colloquial United States]
Returning board , a board empowered to canvass and make an official statement of the votes cast at an election. [United States]

Board , transitive verb

1.
To cover with boards or boarding; as, to board a house.
The boarded hovel. — Cowper
2.
To go on board of, or enter, as a ship, whether in a hostile or a friendly way.
You board an enemy to capture her, and a stranger to receive news or make a communication. — Totten
3.
To enter, as a railway car. [Colloquial United States]
4.
To furnish with regular meals, or with meals and lodgings, for compensation; to supply with daily meals.
5.
To place at board, for compensation; as, to board one's horse at a livery stable.

Board (bōrd) , intransitive verb

To obtain meals, or meals and lodgings, statedly for compensation; as, he boards at the hotel.
We are several of us, gentlemen and ladies, who board in the same house. — Spectator

Board , transitive verb

[French aborder. See Abord, transitive verb]

To approach; to accost; to address; hence, to woo. [Obsolete]
I will board her, though she chide as loud As thunder when the clouds in autumn crack. — Shakespeare