[koi] /kɔɪ/

any of various colorful cultivated forms of the common carp, Cyprinus carpio, apparently originating in Japan and other parts of eastern temperate Asia.
any of various ornamental forms of the common carp

any of various bright-colored carp (Cyprinus carpio) of Japan and eastern Asia

Koi is a popular aquarium and ornamental pond fish.
Usage Note

pl. koi

1727, from a Japanese local name for “carp.”


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