1. A long, flat slab of sawed lumber; a plank.
2. A flat piece of wood or similarly rigid material adapted for a special use.
3. Games. A flat surface on which a game is played.
4. The hard cover of a book.
5. boards A theater stage.
6. a. A table, especially one set for serving food. b. Food or meals considered as a whole: board and lodging.
7. A table at which official meetings are held; a council table.
8. An organized body of administrators or investigators: a board of trustees; a board of directors.
9. An electrical-equipment panel.
10. Computer Science. A circuit board.
11. Sports. a. A scoreboard. b. Basketball. A backboard. c. boards The wooden structure enclosing an ice hockey rink. d. A diving board. e. A surfboard.
12. Nautical. a. The side of a ship. b. A leeboard. c. A centerboard.
13. Obsolete. A border or an edge.
1. To cover or close with boards: board up a broken window.
2. a. To furnish with meals in return for pay. b. To house where board is furnished: board a horse at a stable.
3. a. To enter or go aboard (a vehicle or ship). b. Nautical. To come alongside (a ship).
4. Obsolete. To approach.