1. They came Anyhow they could—by boat, train, or plane

2. A Berth is a bed on a boat, train, or caravan

3. As a preposition Aboard is on board of; onto or into a ship, boat, train, plane

4. To get onto or allow people to get onto a boat, train, or aircraft: At London airport she Boarded a plane to Australia

5. board verb (GET ON) B1 [ I or T ] to get onto or allow people to get onto a boat, train, or aircraft: At London airport she Boarded a plane to Australia.