adverb
on or into (a ship, aircraft, train, or other vehicle)
preposition
on or onto (a ship, aircraft, train, or other vehicle)
-
Passengers are required to be aboard the ship at least 30 minutes before departure.
-
Make sure you're aboard the bus on time or you'll be left behind.
-
I heard there's a cool party aboard that yacht tonight.
-
She felt like she was aboard a sinking ship with all the stress in her life.