Headroom definition
Space above one's head, as in a motor vehicle, above a doorway, or in a tunnel; clearance.
noun
Space or clearance overhead, as in a doorway or tunnel or above the seats of an automobile.
noun
The temporary increase in volume or power that a high-fidelity audio component can accommodate without distortion.
noun
noun
The definition of headroom is the space between your head and something over your head such as a doorway or the top of a vehicle, or the space between a vehicle and bridges or other structures that may be over that vehicle.
The space you have been your head and the car's roof is an example of headroom.
noun