Merriam-Webster Collegiate Dictionary - height

 noun  Etymology: Middle English ~he, from Old English hiehthu; akin to Old High German hohida ~, Old English heah high  Date: before 12th century  1.  a. the highest part ; summit  b. highest or most advanced point ; zenith at the ~ of his powers  2.  a. the distance from the bottom to the top of something standing upright  b. the extent of elevation above a level  3. the condition of being tall or high  4.  a. an extent of land rising to a considerable degree above the surrounding country  b. a high point or position  5. obsolete an advanced social rank Synonyms:  ~, altitude, elevation mean vertical distance either between the top and bottom of something or between a base and something above it. ~ refers to something measured vertically whether high or low a wall two meters in ~. altitude and elevation apply to ~ as measured by angular measurement or atmospheric pressure; altitude is preferable when referring to vertical distance above the surface of the earth or above sea level; elevation is used especially in reference to vertical ~ on land fly at an altitude of 10,000 meters Denver is a city with a high elevation.