unusually sharp visual powers; keen ability to watch or observe.
2.
a person who has sharp vision or who maintains a keen watchfulness.
3.
alert watchfulness.
Origin
1595-1605
Slang definitions & phrases for eagle-eye
eagle-eye
noun
A person noted for keen vision or one who keeps a close watch: It took a real eagle-eye to catch that
A locomotive engineer (Railroad)
A detective, esp one assigned to watch for shoplifters or pickpockets
Idioms and Phrases with eagle-eye
eagle eye
Unusually keen sight; also, keen intellectual vision. For example, Antiques dealers have an eagle eye for valuable objects, or A good manager has an eagle eye for employee errors. [ Late 1500s ]