verb (used without object)
- to board a ship, aircraft, or other vehicle, as for a journey.
- to start an enterprise, business, etc.
verb (used with object)
- to put or receive on board a ship, aircraft, or other vehicle.
- to involve (someone) in an enterprise.
- to venture or invest (something) in an enterprise.
- to board (a ship or aircraft)
- (intr; usually foll by on or upon) to commence or engage (in) a new project, venture, etc