altitude: Meaning and Definition of

al•ti•tude

1. the height of anything above a given planetary reference plane, esp. above sea level on earth.
2. extent or distance upward; height.
3. the angular distance of a heavenly body above the horizon.
1. the perpendicular distance from the vertex of a figure to the side opposite the vertex.
2. the line through the vertex of a figure perpendicular to the base.
5. Usually,a high place or region: mountain altitudes.
6. high or important position, rank, etc.