Definition of koi in English:


Syllabification: koi
(also koi carp)

noun (plural same)

  • A common carp of a large ornamental variety, originally bred in Japan.
    More example sentences
    • There were also a few small carp and a couple of koi carp in the bag.
    • Compare those with neon tetras or Japanese koi.
    • Fairly recently I have been fishing fisheries in Devon that contain koi and ghost carp.


early 18th century: from Japanese, 'carp'.

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