'baby-sit' definitions:

Definition of 'baby-sit'

(from WordNet)
verb
Take watchful responsibility for; "I baby-sit the neighbor's plants when she is out of town"
verb
Work or act as a baby-sitter; "I cannot baby-sit tonight; I have too much homework to do" [syn: baby-sit, sit]

Definition of 'baby-sit'

From: GCIDE
  • baby-sit \baby-sit\ v. act as a baby-sitter
  • Syn: babysit, sit [WordNet 1.5] babysitter