koi
/kɔɪ
/(also koi carp)
noun (plural same)
A common carp of a large ornamental variety, originally bred in Japan.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.
Origin
Early 18th century: from Japanese, 'carp'.