Standard Lemma guide

koi

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /kɔɪ/
  • US: Recorded audio is listed in the source snapshot.
  • Australia: Recorded audio is listed in the source snapshot.
  • rhymes with -ɔɪ
  • homophone: coy

1

noun

Meaning 1

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

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: koi carp

Antonyms: none provided

2

noun

Meaning 2

Abbreviation of Kepler/K1/K2 object of interest.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of

Topics: astronomy, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Borrowed from Japanese 鯉 (koi).

Across languages

Translations

19 source translations are retained for this English entry.

  • Chinese Mandarin: 錦鯉 /锦鲤 (jǐnlǐ) — variety of carp
  • Finnish: koristekarppi — variety of carp
  • French: koï — variety of carp
  • German: Koi — variety of carp
  • German: Koi-Karpfen — variety of carp
  • Indonesian: koi — variety of carp
  • Irish: carbán koi — variety of carp
  • Japanese: 錦鯉 (nishikigoi) — variety of carp
  • Japanese: ニシキゴイ (nishikigoi) — variety of carp
  • Japanese: 鯉 (koi) — variety of carp
  • Japanese: コイ (koi) — variety of carp
  • Korean: 비단잉어 (bidaning'eo) — variety of carp
  • Macedonian: јапонски крап (japonski krap) — variety of carp
  • Macedonian: кои (koi) — variety of carp
  • Polish: koi — variety of carp
  • Russian: карп ко́и (karp kói) — variety of carp
  • Russian: ко́и (kói) — variety of carp
  • Tamil: கொய் (koy) — variety of carp
  • Tamil: கொய் மீன் (koy mīṉ) — variety of carp