cat

1 of 5

noun

often attributive
Synonyms of catnext
1
a
: a carnivorous mammal (Felis catus) long domesticated as a pet and for catching rats and mice
b
: any of a family (Felidae) of carnivorous usually solitary and nocturnal mammals (such as the domestic cat, lion, tiger, leopard, jaguar, cougar, wildcat, lynx, and cheetah)
2
a
: guy
… some young … cat asked me to go drinking with him …Jack Kerouac
b
: a player or devotee of jazz
3
: a strong tackle used to hoist an anchor to the cathead of a ship
4
a
b
5
6
7
: a malicious woman
especially : one given to making catty remarks about other women

cat

2 of 5

verb

catted; catting

intransitive verb

informal : to search for a sexual mate
often used with around

transitive verb

: to bring (an anchor) up to the cathead

cat

3 of 5

abbreviation (1)

1
catalog
2
catalyst

Cat

4 of 5

trademark

used for a Caterpillar tractor

CAT

5 of 5

abbreviation (2)

Examples of cat in a Sentence

Noun I have two dogs and a cat. the family's cat did an exemplary job of keeping the house and yard free of all rodents
Recent Examples on the Web
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Noun
While many other allergens in Texas, such as oak pollen, are also specific to certain times of the year, allergens like mold, dust mites, dogs and cats, are a problem the entire year. Mary Wasson, Austin American Statesman, 18 Mar. 2026 To even the score, Weir’s novel describes ammonia-breathing Rocky as smelling like cat pee, an aside the script politely omits. Amy Nicholson, Los Angeles Times, 18 Mar. 2026 More than 100 cats were rescued from an Arvada home over the past week after the homeowners were arrested on suspicion of animal cruelty, police said. Lauren Penington, Denver Post, 18 Mar. 2026 In January 2025, a cleaning crew allegedly found a plastic tote inside the apartment with a dead cat inside, the warrant affidavit said. Justin Muszynski, Hartford Courant, 18 Mar. 2026 See All Example Sentences for cat

Word History

Etymology

Noun

Middle English, from Old English catt, probably from Late Latin cattus, catta cat

First Known Use

Noun

before the 12th century, in the meaning defined at sense 1a

Verb

1681, in the meaning defined at intransitive sense

Time Traveler
The first known use of cat was before the 12th century

Browse Nearby Words

Cite this Entry

“Cat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cat. Accessed 20 Mar. 2026.

Kids Definition

cat

noun
ˈkat
1
a
: a small domestic meat-eating mammal kept by people as a pet or for catching rats and mice
b
: an animal (as the lion, tiger, leopard, jaguar, cougar, wildcat, lynx, and cheetah) that belongs to the same family as the domestic cat
2

Medical Definition

cat

1 of 2 noun
often attributive
1
: a carnivorous mammal (Felis catus) long domesticated and kept as a pet or for catching rats and mice
2
: any of a family (Felidae) of mammals including the domestic cat, lion, tiger, leopard, jaguar, cougar, wildcat, lynx, and cheetah

CAT

2 of 2 abbreviation
computed axial tomography; computerized axial tomography

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