on board
• on or in a ship, aircraft, or other vehicle.
• "a plane crashed with three people on board"
on-board
adjective
• available or situated on a ship, aircraft, or other vehicle.
• "on-board catering staff"
• denoting or controlled from a facility or feature incorporated into the main circuit board of a computer or computerized device.
• "there's 8GB of onboard memory"
on-board
verb
• go through procedures to effectively integrate (a new employee) into an organization or familiarize (a new customer or client) with one's products or services.
• "this data has tremendous value in helping to onboard new hires and manage their performance"