Headroom

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

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

From WordNet (r) 2.0 [wn]:



  headroom
       n 1: vertical space available to allow easy passage under
            something [syn: {headway}, {clearance}]
       2: the capacity of a system to reproduce loud sounds without
          distortion [syn: {dynamic headroom}]