(~s)
1.
In architecture, an ~ is the front, back, or side of a building, or a drawing of one of these. (TECHNICAL)
...the addition of two-storey wings on the north and south ~s.
N-COUNT: with supp
2.
The ~ of a place is its height above sea level.
We’re probably at an ~ of about 13,000 feet above sea level.
= altitude
N-COUNT: usu with supp
3.
An ~ is a piece of ground that is higher than the area around it.
N-COUNT
4.
see also elevate