| 1. | 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. |

| eagle eye n.
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eagle-eye
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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]