Altimeter

2 definitions found

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

  Altimeter \Al*tim"e*ter\, n. [LL. altimeter; altus high +
     metrum, Gr. ?, measure: cf. F. altim[`e]tre.]
     An instrument for taking altitudes, as a quadrant, sextant,
     etc. --Knight.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  altimeter
       n : an instrument that measures the height above ground; used in
           navigation