Definitions for "babysitting"
the work of a baby sitter; caring for children when their parents are not home.
Babysitting is the practice of temporarily caring for a child on behalf of the child's guardians. Babysitting is most commonly performed as an odd job by teenagers for extra money, stereotypically girls. In general, the child being watched is of some family or social relation to the babysitter, although professional babysitting services (see Nanny) are also extant.