Definition of on-board adjective from the Oxford Advanced American Dictionary

     

    on-board

     adjective
    adjective
     
    [only before noun]
     
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  1. 1 on a ship, aircraft, or vehicle an on-board motor
  2. 2 (computing) relating to, or controlled by, part of the main circuit board a PC with on-board sound
See the Oxford Advanced Learner's Dictionary entry: on-board