baby-sit

verbs

take watchful responsibility for
"I baby-sit the neighbor's plants when she is out of town"
baby-sit
is a type of (narrower)
to keep watch over
"there would be men guarding the horses"
guard
work or act as a baby-sitter
"I cannot baby-sit tonight; I have too much homework to do"
baby-sit, sit
is derived from
babysitter
is derived from
baby-sitter