compound eye
US /ˈkɑːm.paʊnd aɪ/
UK /ˈkɑːm.paʊnd aɪ/
1.
an eye consisting of an array of numerous small visual units, as found in insects and crustaceans.
:
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The fly's compound eye allows it to detect movement from many directions.
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Crustaceans also possess compound eyes, which are often stalked.