altitude
US /ˈæltɪˌtud,-ˌtjud/
・UK /'æltɪtju:d/
B2
noun
- Height of something above sea level
- The height of an object or place above sea level.
other
- The height of an aircraft above a reference point, usually sea level.
- The angular distance of a celestial body above the horizon.
- The height of an object or point in relation to sea level or ground level.