cat

verb

catted; catting
Synonyms of catnext

intransitive verb

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

transitive verb

: to bring (an anchor) up to the cathead

Word History

First Known Use

1681, in the meaning defined at intransitive sense

Time Traveler
The first known use of cat was in 1681

Browse Nearby Words

Cite this Entry

“Cat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cat. Accessed 12 Jun. 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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