This is a sign of utter contentment and to show trust and love to the owner. When they are tiny kittens and still feeding off their mum they knead the nipple they are suckling from to stimulate the milk supply and judging by the purring and funny little noises they make while they're doing it it's definitely got to be a state of bliss.
knead
Whatever they are doing that to reminds them of their mother. They think that they will get milk when they do that. It's not just kittens, cats of all ages do it.
it means that the cat is happy or relaxed or has found something that feels good to knead!
To knead is: amasar.
I believe it is 'knead'
The homphone for need is knead, as in to knead bread dough.
knead
The baker began to knead the dough.The kitten uses her paws to knead her owner.
It is knead.
you use it like this "knead the bread".
A homophone for knead is need.
Suction from babies feeding. Some animals like cats also knead to improve flow. (called milk treading)