Illustration of fish
- 1 mandible
- 2 nasal opening
- 3 eye
- 4 cheek
- 5 operculum
- 6 dorsal fins
- 7 lateral line
- 8 caudal fin
- 9 scales
- 10 anal fin
- 11 anus
- 12 pectoral fin
- 13 pelvic fin
- 14 maxilla
- 15 premaxilla
- 16 upper jaw
plural fish or fishes
often attributive
1
a
: an aquatic animal
—usually used in combination
starfish
cuttlefish
b
: 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 caudal sense 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)
c
: sucker sense 5a
felt sorry for the poor fish
4
: something that resembles a fish: such as
a
b
: torpedo sense 1b
The submarine's fish hit the freighter.
fished; fishing; fishes
1
: to attempt to catch fish
2
: to seek something by roundabout means
fishing for a compliment
3
a
: to search for something underwater
fish for pearls
b
: to engage in a search by groping or feeling
fishing around in her purse for her keys
1
a
: to try to catch fish in
b
: to fish with : use (something, such as a boat, a net, or bait) in fishing
2
a
: to go fishing for
fish salmon
b
: to pull or draw as if fishing
fished the ball from under the car
fish wires through a conduit
Examples of fish in a Sentence
Noun
We're having fish for dinner.
he's rather an odd fish
Verb
We spent the afternoon fishing for trout.
They fished the stream all morning.
She was fishing around in her purse for her keys.
Recent Examples on the Web
Lex Harvey, CNN, 21 Mar. 2025
Humans, other land vertebrates, and jawed fish have synovial joints.
—Elizabeth Rayne, Ars Technica, 21 Mar. 2025
Post-Tribune, Chicago Tribune, 21 Mar. 2025
The toughest part involved fishing some stiff, thick wire through a space between the coolant tank and a metal bracket (which the manual warned about).
—Ars Technica, 17 Mar. 2025
See All Example Sentences for fish
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Noun
In 2019, the company filed for bankruptcy amid a price-fixing scandal and was acquired by Taiwanese fish conglomerate FCF Co for nearly $1 billion.
—Lex Harvey, CNN, 21 Mar. 2025
Humans, other land vertebrates, and jawed fish have synovial joints.
—Elizabeth Rayne, Ars Technica, 21 Mar. 2025
Verb
Investigators believe the men went fishing earlier in the morning when the boat capsized, possibly due to strong winds and high waves that created a hazardous situation for small watercraft on the lake.
—Post-Tribune, Chicago Tribune, 21 Mar. 2025
The toughest part involved fishing some stiff, thick wire through a space between the coolant tank and a metal bracket (which the manual warned about).
—Ars Technica, 17 Mar. 2025
See All Example Sentences for fish
Cite this Entry
“Fish.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fish. Accessed 26 Mar. 2025.
Copy CitationKids Definition
fish
1 of 2 noun
plural fish or fishes
1
a
: 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
2
: the flesh of fish used as food
fish
2 of 2 verb1
: to catch or try to catch fish
2
a
: to catch or try to catch fish in
fish the stream
b
: to search for something underwater
fishing for pearls
3
: to seek something by or as if by groping or feeling
fished for compliments
fished in his pocket for change
Biographical Definition
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