Definition of onboard
- an onboard computer
- onboard recorders
The car comes with an onboard computer.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'onboard.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: carried or happening on a vehicle
What made you want to look up onboard? Please tell us where you read or heard it (including the quote, if possible).
without deliberation, pause, or delay
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