butterfly fish

noun

Definition of butterfly fish

1 : any of a family (Chaetodontidae) of small brilliantly colored bony fishes of tropical seas with a narrow deep body and scaled fins
2 : a small brown freshwater bony fish (Pantodon buchholzi of the family Pantodontidae) of western Africa that has elongate winglike pectoral fins

First Known Use of butterfly fish

1740

in the meaning defined at sense 1

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