- Aboard is defined as being on or inside a vehicle, ship or airplane.
An example of coming aboard would be passengers who come into the train car.
People aboard a train.
- on board; on, in, or into a ship, airplane, etc.
- Naut. alongside: the sailboat passed our ship close aboard
- as a participant, partner, employee, etc.: usually in the phrases and
Origin of aboardMiddle English abord ; from Old French a bord: see board
- get on!get in!: a warning to passengers that the train, car, airplane, etc. will start soon
- everyone (is) aboard!: a signal to the driver or pilot that the trip may begin
- On board a ship, train, aircraft, or other passenger vehicle.
- At the side; alongside.
- In or into a group, organization, or business: brought aboard two new designers.
- Baseball On base.
Origin of aboardMiddle English abord : a-, on; see a–2 + bord, ship (from Old English bord).
- On board; into or within a ship or boat; hence, into or within a railway car. [First attested from around (1350 to 1470).]
- We all climbed aboard.
- On or onto a horse, etc. [First attested in the late 19th century.]
- (baseball) On base. [First attested in the mid 20th century.]
- He doubled with two men aboard, scoring them both.
- Into a team, group, or company. [First attested in the mid 20th century.]
- (nautical) Alongside. [First attested from around (1350 to 1470).]
- The ships came close aboard to pass messages.
- On board of; onto or into a ship, boat, train, plane. [First attested around 1350 to 1470.]
- We all went aboard the ship.
- Onto a horse. [First attested in the mid 20th century.]
From Middle English abord, from a- (“on”) + bord (“board, side of a ship”). (Equivalent to a- + board.)