(~s)
Note: in AM, use 'aerie'
1.
If you refer to a place such as a house or a castle as an ~, you mean it is built high up and is difficult to reach. (LITERARY)
...marooned in my 48th floor ~ in the sky.
N-COUNT: with supp
2.
An ~ is the nest of a bird of prey such as an eagle, and is usually built high up in the mountains.
N-COUNT