1. On board.

2. Across; athwart.

3. Within a ship or vessel. To go aboard, to embark. To fall aboard of, to strike a ship's side. To get aboard, get foul of.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• boaord,
• aboart,
• ezboard,
• boaard,
• boerd,
• acard,
• afiard,
• afard,
• afoard,
• aboid,
• aboaut,
• affoard,
• aweard,
• abart,
• abaord,
• acoord,
• abboard,
• aboud,
• aborard,
• abaid

• abfarad,
• abrade,
• abraded,
• aberdare,
• abradant,
• aberdeen,
• abroad,
• abrader.

The adjective form of the word "aboard" is "aboard" itself.

The plural of the "aboard" can be the "aboard".

The singular of the "aboard" can be the "aboard".