aerie
UK[ˈɪəri]US[ˈeri]
n
the nest of a bird of prey, such as an eagle or a hawk, built high up on a cliff or mountain
n
a house, fortress, or habitation perched on a high or inaccessible place
Etymology
the word 'aerie' entered english in the late 16th century from the medieval latin 'aeria' and old french 'aire', both referring specifically to the nest of a bird of prey. its deeper origin is traced to the latin 'area', which originally denoted a level ground, open space, or courtyard. the semantic shift from a flat, open area to a high, secluded nest is intriguing; it is thought that 'area' was applied metaphorically to the bare, flat ledge typically used by large birds for nesting. this term, through french and latin mediation, evolved in english to capture not just the physical nest but also the lofty, isolated quality of the location, extending metaphorically to any dwelling situated in a high and remote place.
Analysis
the word is a simplex loanword. it is derived from the medieval latin word 'aeria' and the old french 'aire', meaning 'nest of a bird of prey'. its ultimate origin is likely the latin word 'area', meaning 'open space' or 'nest of a bird of prey', though some etymologies suggest a pre-latin source.
Examples
we watched the eagle return to its aerie high on the rocky cliff face.
the ancient monastery was built like an aerie, clinging to the side of the mountain.
from his aerie office on the top floor, he had a commanding view of the entire city.