The noun 'clowder' has only one definition, a clowder of cats.
A clowder is a group of adult cats, like a flock of birds or a school of fish.
Clowder: Noun1. a group of cats
A group of cats is called a clowder.
Kittens: litter Cats: clowder
a group of cats is called a clowder
A group of cats is called a "clowder"! ^. .^
A group of adult cats is called a clowder or a glaring.
A group of cats are called a clowder.