Learner's definition of CAT
a small animal that is related to lions and tigers and that is often kept by people as a pet
— often used before another noun
see also tomcat
a lion, tiger, leopard, or similar wild animal
Cat got your tongue?
— used to ask someone why he or she is not saying anything
fight like cats and dogs
let the cat out of the bag
like something the cat brought/dragged/drug in
◊ If you look or feel like something the cat brought/dragged/drug in, you are very dirty or untidy.
like the cat that ate/got/swallowed the canary
like the cat that got the cream
— used to say that someone looks very proud or satisfied about something he or she has done
Look what the cat dragged in!
— used to call attention to someone who has entered the room or area
rain cats and dogs
the cat's meow
old-fashioned + informal
the cat's pajamas
the cat's whiskers
— used to say that someone or something is very appealing
a catlike appearance