1. Plural of eyrie; the nests of birds of prey, especially eagles, built high on cliffs or in tall trees.
Usage: Also spelled 'aeries' or 'eeries'; Typically refers to large, sturdy nests in elevated locations
2. A high, remote, or fortified dwelling or stronghold.
Usage: Figurative or literary use

Examples

• The golden eagles built their eyries on the steep mountain cliffs.
• Several hawk eyries were spotted along the canyon walls.
• The castle stood like an eyrie overlooking the valley below.
• Ornithologists studied the eyries to monitor the bird population.
• From the eyries high above, the eagles could see for miles.
• The ancient fortress was perched in an eyrie accessible only by narrow paths.