The noun board has 9 senses (first 9 from tagged texts)
1. (778) board -- (a committee having supervisory powers; "the board has seven members")
2. (94) board -- (a flat piece of material designed for a special purpose; "he nailed boards across the windows")
3. (38) board, plank -- (a stout length of sawn timber; made in a wide variety of sizes and used for many purposes)
4. (23) display panel, display board, board -- (a vertical surface on which information can be displayed to public view)
5. (11) board, gameboard -- (a flat portable surface (usually rectangular) designed for board games; "he got out the board and set up the pieces")
6. (4) board, table -- (food or meals in general; "she sets a fine table"; "room and board")
7. (3) control panel, instrument panel, control board, board, panel -- (electrical device consisting of a flat insulated surface that contains switches and dials and meters for controlling other electrical devices; "he checked the instrument panel"; "suddenly the board lit up like a Christmas tree")
8. (3) circuit board, circuit card, board, card, plug-in, add-in -- (a printed circuit that can be inserted into expansion slots in a computer to increase the computer's capabilities)
9. (1) dining table, board -- (a table at which meals are served; "he helped her clear the dining table"; "a feast was spread upon the board")
Overview of verb board
The verb board has 4 senses (first 2 from tagged texts)
1. (5) board, get on -- (get on board of (trains, buses, ships, aircraft, etc.))
2. (2) board, room -- (live and take one's meals at or in; "she rooms in an old boarding house")
3. board -- (lodge and take meals (at))
4. board -- (provide food and lodging (for); "The old lady is boarding three men")