: any of numerous cold-blooded strictly aquatic craniate vertebrates that include the bony fishes and usually the cartilaginous and jawless fishes and that have typically an elongated somewhat spindle-shaped body terminating in a broad caudal (see caudalsense 2) fin, limbs in the form of fins when present at all, and a 2-chambered heart by which blood is sent through thoracic gills to be oxygenated
freshwater fish
tropical fish
2
: the flesh of fish used as food
We're having fish for dinner.
3
a
: a person who is caught or is wanted (as in a criminal investigation)
Noun
We're having fish for dinner.
he's rather an odd fishVerb
We spent the afternoon fishing for trout.
They fished the stream all morning.
She was fishing around in her purse for her keys.
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Noun
Measuring more than 10 feet by 9 feet, Amwan Agwe… (2026), for example, depicts green hills and blue waves alongside the skulls, candles, and fish that nod to Fèt Gede, Haiti’s annual festival honoring the spirits of the dead.—
Hikmat Mohammed,
ARTnews.com,
14 Oct. 2026 Fry until the skin is deeply browned and crisp, 4 to 6 minutes per side, using tongs and a fish spatula to turn and a spoon to baste the top of the fish with hot oil a few times.—
Emma Specter,
Vogue,
14 Oct. 2026
Verb
The garden villas are so close to the water that guests might fish from their daybeds before jumping into their plunge pools.—
Tony Perrottet,
Condé Nast Traveler,
6 Oct. 2026 Fishing gear was responsible for 46% of the cases, with the rest attributed to ropes or lines not directly tied to fishing.—
Corinne Purtill,
Los Angeles Times,
5 Oct. 2026 See All Example Sentences for fish
Word History
Etymology
Noun and Verb
Middle English, from Old English fisc; akin to Old High German fisc fish, Latin piscis
First Known Use
Noun
before the 12th century, in the meaning defined at sense 1a
: a water-dwelling animal—usually used in combination
starfish
cuttlefish
b
: a cold-blooded vertebrate animal with a typically long scaly tapering body, limbs developed as fins, and a vertical tail fin that lives and breathes in water