0 to take care of a cat while its owner is away, usually by visiting or staying in the owner's home:
He asked a co-worker to cat-sit for a while until his return.
Since Chewie was nasty to anyone except his mistress, nobody wanted to cat-sit.
I had to cat-sit for some people once who insisted their cat was vegan.
While I was working away, she was catsitting for me.
