Definition of "Board" :
noun: a flat piece of material designed for a special purpose
"He nailed boards across the windows."
noun: a flat portable surface (usually rectangular) designed for board games
"He got out the board and set up the pieces."
noun: a printed circuit that can be inserted into expansion slots in a computer to increase the computer's capabilities
noun: electrical device consisting of a flat insulated surface that contains switches and dials and meters for controlling other electrical devices
"Suddenly the board lit up like a Christmas tree."
noun: a table at which meals are served
"A feast was spread upon the board."
noun: a vertical surface on which information can be displayed to public view
noun: food or meals in general
"Room and board."
noun: a committee having supervisory powers
"The board has seven members."
noun: a stout length of sawn timber; made in a wide variety of sizes and used for many purposes
verb: provide food and lodging (for)
"The old lady is boarding three men."
verb: lodge and take meals (at)
verb: get on board of (trains, buses, ships, aircraft, etc.)
verb: live and take one's meals at or in
"She rooms in an old boarding house."