have kittens; "our cat kittened again this year"
an ideal choice, but should you want to introduce an adult cat, try to find one that has lived with other cats
a young cat that is nine months old or less
A young, immature cat. The kitten class at a North American show is open to purebred and registered kittens that are between the ages of four and seven months (inclusive) and meet the standard for their breed. Adult cats compete in the championship or premiership (alter) classes.
The young offspring of rabbits or cats.
A cat less than nine months old
A cat up to the age of 9 month in Britain or 8 months in the United States.
A young cat, typically below the age of 6 months.
A cat up to the age of eight calendar months.
The term kitten (Old English diminutive of cat) most commonly refers to a young domesticated cat.