altitude

Short definition from Wiktionary

Noun

1. 1
   The absolute height of a location, usually measured from sea level.
2. 2
   A vertical distance.
3. 3
   The distance measured perpendicularly from a figure's vertex to the opposite side of the vertex.
4. 4
   The angular distance of a heavenly body above our Earth's horizon.
5. 5
   Height of rank or excellence; superiority.
6. 6
   Elevation of spirits; heroics; haughty airs.
7. 7
   Highest point or degree.
8. 8
   Krull dimension.
9. 9
   Height.