Definition of headroom noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˈhedruːm//
    ; NAmE NAmE//ˈhedruːm//
    ; BrE BrE//ˈhedrʊm//
    ; NAmE NAmE//ˈhedrʊm//
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  1. 1the amount of space between the top of a vehicle and an object it drives under The sign on the bridge said ‘Maximum Headroom 2.5 metres’.
  2. 2the amount of space between the top of your head and the roof of a vehicle There's a lot of headroom for such a small car. The new model gives generous headroom for front and rear passengers.
See the Oxford Advanced American Dictionary entry: headroom