The Collaborative International Dictionary of English v.0.48:

Apogee \Ap"o*gee\, n. [Gr. ? from the earth; ? from + ?, ?,
   earth: cf. F. apog['e]e.]
   1. (Astron.) That point in the orbit of the moon which is at
      the greatest distance from the earth.
      [1913 Webster]

   Note: Formerly, on the hypothesis that the earth is in the
         center of the system, this name was given to that point
         in the orbit of the sun, or of a planet, which was
         supposed to be at the greatest distance from the earth.
         [1913 Webster]

   2. Fig.: The farthest or highest point; culmination.
      [1913 Webster]

WordNet (r) 3.0 (2006):

apogee
    n 1: a final climactic stage; "their achievements stand as a
         culmination of centuries of development" [syn: apogee,
         culmination]
    2: apoapsis in Earth orbit; the point in its orbit where a
       satellite is at the greatest distance from the Earth [ant:
       perigee]