1board 
/ˈboɚd/ noun
plural boards /ˈboɚd/ noun 1 [count] : a long, thin, flat piece of wood
▪ They nailed some boards over the broken window. ▪ Cut the board lengthwise. 2 [count] a : a flat piece of material (such as wood or cardboard) that is used for a special purpose
▪ They covered the board in fabric and pinned some photographs to it. ▪ the board that is used to play games like chess and checkers
b : bulletin board 1
▪ I saw a notice on the board calling for volunteers. — see also message board
c : a large, smooth surface for writing on
▪ Write the answers on the board. — see also blackboard, whiteboard 3 [count] a : a group of people who manage or direct a company or organization
▪ She sits on the bank's board of directors. = She's a board member at the bank.
b : a group of people who have been chosen to learn information about something, to give advice, etc.
▪ a member of the advisory board = a board member ▪ She is on the town's planning/zoning board. ▪ an investigative board [=(more commonly) panel] ▪ The parole board has decided that the prisoner is not yet ready for release. — see also boardroom, school board 4 [noncount] : daily meals that you pay for when you are paying to stay at a hotel, school, etc.
▪ He's looking for a place that provides board and lodging in the city. ▪ (Brit) A week at the hotel with half board [=some meals] is of course less expensive than a week with full board. [=all meals] — see also room and board 5 [count] : circuit board 6 boards [plural] US : special tests that you take when you want to be accepted as a student at a college or medical school
▪ Did you pass the boards? 7 the boards US : the low wooden wall that surrounds the playing surface in ice hockey
▪ He crashed into the boards.
▪ They nailed some boards over the broken window. ▪ Cut the board lengthwise.
▪ They covered the board in fabric and pinned some photographs to it. ▪ the board that is used to play games like chess and checkers
b : bulletin board 1
▪ I saw a notice on the board calling for volunteers. — see also message board
c : a large, smooth surface for writing on
▪ Write the answers on the board. — see also blackboard, whiteboard
▪ She sits on the bank's board of directors. = She's a board member at the bank.
b : a group of people who have been chosen to learn information about something, to give advice, etc.
▪ a member of the advisory board = a board member ▪ She is on the town's planning/zoning board. ▪ an investigative board [=(more commonly) panel] ▪ The parole board has decided that the prisoner is not yet ready for release. — see also boardroom, school board
▪ He's looking for a place that provides board and lodging in the city. ▪ (Brit) A week at the hotel with half board [=some meals] is of course less expensive than a week with full board. [=all meals] — see also room and board
▪ Did you pass the boards?
▪ He crashed into the boards.
across the board
: in a way that includes or affects everyone or everything
▪ We've been forced to cut spending across the board. — see also across-the-board
▪ We've been forced to cut spending across the board. — see also across-the-board
go by the board or US go by the boards
: to no longer be used or considered : to be discarded, rejected, or abandoned
▪ Many of his original theories have gone by the board in recent years as new evidence has accumulated.
▪ Many of his original theories have gone by the board in recent years as new evidence has accumulated.
on board 1 : in or on a train, boat, etc. : aboard
▪ She got on board the train. ▪ The ship's passengers are all on board. ▪ Is all the equipment on board (the boat/train/bus/plane)? 2 : included among the group of people who support a particular goal, project, etc.
▪ They needed to get more senators on board for the bill to pass.
▪ She got on board the train. ▪ The ship's passengers are all on board. ▪ Is all the equipment on board (the boat/train/bus/plane)?
▪ They needed to get more senators on board for the bill to pass.
sweep the board — see 1sweep
take (something) on board
Brit : to decide to accept or deal with (something, such as a suggestion or idea)
▪ You will be pleased to note that we have taken your suggestions on board in formulating the present policy.
▪ You will be pleased to note that we have taken your suggestions on board in formulating the present policy.
tread the boards — see 1tread
