Koi

//kɔɪ// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Ornamental domesticated varieties of the Amur carp (Cyprinus rubrofuscus), of Japan and eastern Asia with red-gold or white coloring.

    "We sense that while it might be wonderful for Krystle and Alexis to have a catfight in a koi pond, it would be inappropriate for Joan to smack Linda with a koi."

  2. 2
    Abbreviation of Kepler/K1/K2 object of interest. abbreviation, alt-of

Example

More examples

"He had a collection of Japanese koi in the garden pond."

Etymology

From Japanese 鯉 (koi).

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.