On-board
From Wikipedia, the free encyclopedia
On board usually means to be traveling on some vehicle. For example, Baby On Board. Compare with overboard.
Metaphorically, the term on-board is often used to refer to some piece of technology that is integrated in a moving vehicle, for example:
In computing, the term on board often refers to controllers or other devices that are integrated onto a motherboard, used in the metaphoric sense, as well as referring to them being physically on the circuit board.