The definition of onboard is provided or carried on a vehicle or vessel.
An example of onboard is medical services on a cruise ship.
on board (see phrase under board)
- Carried or used aboard a vehicle or vessel: onboard radar systems.
- Participating in or supporting an effort: I contacted my sisters to make sure they were onboard before I booked the beach house for our vacation.
- Onto a vehicle or vessel: “His 'semi-fiancée' came onboard at Cape Town” ( Dale Peterson )
- Into a state of participation of support for an effort: “If you were running one of the organization's programs or schools, you did everything you could to get the parents onboard” ( Paul Tough )
Aboard: “the long hours onboard an aircraft on the way to some diplomatic engagement abroad” ( Molly Worthen )
transitive verbon·board·ed, on·board·ing, on·boards
To introduce to a system or process: a human resources administrator who onboards new hires.
- On or in a vehicle or vessel; aboard; on board.
From on board, equivalent to on- +"Ž board.