plural koi
: a carp (Cyprinus carpio) bred especially in Japan for large size and a variety of colors and often stocked in ornamental ponds
Examples of koi in a Sentence
Recent Examples on the Web
The garden has beautiful Bonzi trees and a giant pond filled with friendly koi fish to feed.
—
Paige Moore, AZCentral.com, 10 Oct. 2025
The only downside is losing a few koi, but, thankfully, the wildlife tends to steer clear of us during the day.
—Jack Beresford, MSNBC Newsweek, 20 Aug. 2025
The koi fish will be part of the design, too.
—Rose Androwich, jsonline.com, 6 Aug. 2025
There’s a large koi pond with turtles, lily pads and a decorative bridge.
—Marla Jo Fisher, Oc Register, 23 July 2025
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Paige Moore, AZCentral.com, 10 Oct. 2025
The only downside is losing a few koi, but, thankfully, the wildlife tends to steer clear of us during the day.
—Jack Beresford, MSNBC Newsweek, 20 Aug. 2025
The koi fish will be part of the design, too.
—Rose Androwich, jsonline.com, 6 Aug. 2025
There’s a large koi pond with turtles, lily pads and a decorative bridge.
—Marla Jo Fisher, Oc Register, 23 July 2025
See All Example Sentences for koi
Cite this Entry
“Koi.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/koi. Accessed 3 Nov. 2025.
Copy CitationKids Definition
koi
noun
: a carp that has been bred to be of various bright colors and is often stocked in ornamental ponds
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