'Headroom' definitions:

Definition of 'headroom'

(from WordNet)
noun
Vertical space available to allow easy passage under something [syn: headroom, headway, clearance]
noun
The capacity of a system to reproduce loud sounds without distortion [syn: headroom, dynamic headroom]

Definition of 'Headroom'

From: GCIDE
  • Headroom \Head"room`\ (-r[=oo]m`), n. (Arch.) See Headway, 2. [Mostly Brit.] [1913 Webster +PJC]

Words containing 'Headroom'