[ C ] a thin, flat piece of hard material such as wood or plastic:

[ C ] A board is also a flat piece of hard material that is made to be used for a particular purpose:

[ C ] A board can be a chalkboard.

[ C ] A board can also be a circuit board.

[ C ] the group of people who are responsible for controlling the operation of a public or private organization:

[ U ] meals provided when you are staying somewhere

[ I/T ] to get onto or allow people to get onto an aircraft, train, or ship:

[ T ] to arrange for an animal to be temporarily taken care of and fed at a place other than its home:

[ C or S ] also board of directors MANAGEMENT, WORKPLACE the group of people who shareholders choose to manage a company or organization:

[ C ] MANAGEMENT a group of people who are responsible for making rules and decisions on behalf of an organization:

[ C ] also circuit board IT a flat object covered with small metal electrical connections that create one or more circuits, used in computers and other electronic equipment :

[ C ] also noticeboard WORKPLACE a flat object on a wall on which information can be fixed:

[ U ] also board and lodging a room and meals that are provided for someone who is staying away from home, for example in a hotel:

TRANSPORT if passengers board a plane, ship, or train, or if a plane, ship, or train is boarding, passengers get on to it before the start of a journey: