machmeter

2 definitions found

machmeter - Collaborative International Dictionary of English v.0.48 :

  machmeter \machmeter\ n.
     an instrument for measuring the speed of an aircraft relative
     to the speed of sound.
     [WordNet 1.5]

machmeter - WordNet (r) 2.1 (2005) :

  machmeter
      n 1: speedometer for measuring the speed of an aircraft relative
           to the speed of sound