on board ●●●●○
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ˈon-board adjective [only before noun]
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English Dictionaryˈon-board adjective [only before noun] carried on a ship, plane, car etc:
an on-board computer [TahlilGaran] Dictionary of Contemporary English ▲
Idiomson board1. supporting something. While most of us might be OK about interracial dating, some people aren't on board with the notion.2. working with someone. It's a well-financed organization, and it has some well-known people on board.Etymology: based on the literal meaning of on board (= on an aircraft, train, or ship) [TahlilGaran] English Idioms Dictionary ▲
on boardto be on a ship/plane or similar form of transportation
We got on board the airplane just before they closed the doors.
[TahlilGaran] English Idioms Dictionary ▲
on board on board1 prep. On (a ship).
Joan was not on board the ship when it sailed.on board2 adv. or
adj. phr. On a ship.
The captain was not on board when the S.S. Flandre sailed. A ship was leaving the harbor, and we saw the people on board waving. [TahlilGaran] English Idioms Dictionary ▲