1. height above sea level: the height of something above a specific level, especially above sea level or the Earth's surface
2. high place: a place or region situated high above sea level
(
often used in the plural
)
3. mathematics distance: in a geometrical figure, the perpendicular distance from the vertex to the base
4. astronomy angle of astronomical object above horizon: the angle of an astronomical object above an observer's horizon, measured from the horizon along the circle passing through the object and the point above the observer
5. high rank or position: a high rank or high position in a society or group