Simple Definition of onboard
: carried or happening on a vehicle
Full Definition of onboard
: carried within or occurring aboard a vehicle (as a satellite or an automobile) <an onboard computer>
Examples of onboard in a sentence
The car comes with an onboard computer.
First Known Use of onboard
Seen and Heard
What made you want to look up onboard? Please tell us where you read or heard it (including the quote, if possible).