A kitten can also mean a young rabbit, especially in some animals' breeding or farming contexts. It is less common but still known.
The farm has many kittens this spring.
A kitten looks like a small rabbit.
In fishing, 'kitten' can mean a young fish, especially certain types like young cod. This is a more technical or field-specific use.
Fishermen caught many kittens today.
Kittens swim near the shore in spring.
In ferret breeding, a 'kitten' is a female ferret, especially one used for breeding. This is a specialized term in animal husbandry.
The kitten is ready for breeding this year.
They keep a kitten in the ferret farm.
As a verb, 'to kitten' means that a cat or related animal gives birth to kittens. It is a specialized verb mostly used in animal care or breeding.
The cat will kitten in spring.
She kittens three times each year.
Sometimes 'kitten' is used to describe a young or inexperienced person, like a beginner. It is informal and figurative language.
He is just a kitten in this job.
Don't treat her like a kitten; she knows much.
In some informal or affectionate speech, 'kitten' can be a term of endearment for a small girl or young woman. It is used like 'darling' or 'sweetheart.'
Hey kitten, come here for a moment.
That kitten is very sweet and kind.