Definition

1. Adverb:

   • On or into a ship, aircraft, train, or other vehicle: Indicates being physically on or entering a means of transport.
   • As part of a group or team: Indicates being a member of a crew, team, or organization.
   • Alongside or close to a ship: A nautical term meaning positioned very near the side of a vessel.

2. Preposition:

   • On or onto a ship, aircraft, train, or other vehicle: Used to show the location or direction of movement relative to a vehicle.

Usage Examples

• Adverb:

  • The captain welcomed all passengers aboard. (The captain welcomed all passengers onto the ship/plane/train.)
  • She has been aboard with the company since its inception. (She has been a member of the company team since it started.)
  • The two ships were anchored close aboard. (The two ships were anchored very close to each other.)

• Preposition:

  • We climbed aboard the bus. (We got onto the bus.)
  • There are 500 passengers aboard the aircraft. (There are 500 passengers on the aircraft.)

Advanced Usage

• "All aboard!": A common call used by conductors or crew to signal that passengers should board a vehicle immediately, as it is about to depart.

  • The train conductor shouted, "All aboard!"

• "Welcome aboard": A standard phrase used to greet someone who has just joined a team, organization, or who is boarding a vehicle.

  • The manager said, "Welcome aboard!" to the new employee.

Variants and Related Words

• Board (verb): To get on or enter a ship, aircraft, or other vehicle. This is the action that leads to being .
  • Please board the plane through gate number five.

Synonyms

• Onboard: On or in a ship, aircraft, or other vehicle. (Often used interchangeably with ).
• On: A more general preposition for location, which can sometimes be used where is used (e.g., ).

Related Phrases (Phrasal Verbs)

• Fall aboard of (archaic/nautical): To collide with or come alongside another ship.
  • In the dense fog, the schooner fell aboard of a larger vessel.

Related Idioms

• Take something aboard: To accept or consider an idea, suggestion, or piece of information.
  • The committee agreed to take the new proposal aboard.

Adverb

1. part of a group
   • Bill's been aboard for three years now
2. side by side
   • anchored close aboard another ship
3. on first or second or third base
   • Their second homer with Bob Allison aboard
4. on a ship, train, plane or other vehicle