From Longman Dictionary of Contemporary Englishbabysitba‧by‧sit /ˈbeɪbisɪt/ verb (past tense and past participle babysat /-sæt/, present participle babysitting) [intransitive, transitive] BOLOOK AFTER somebodyto take care of children while their parents are away for a short time —babysitting noun [uncountable] a babysitting service —babysitter noun [countable]→ See Verb table
Examples from the Corpus
babysit• Ask Alex and Joan next time you're babysitting.• Child care: day care, nursery school, babysitting.• Children's pool; playground; cots available; babysitting available.• Harrick was left with babysitting chores.• A girl had murdered two small children whom she was babysitting for, and had then drowned herself.• You'd be independent and I could babysit for Maggie.• He used to babysit for Mary when she worked nights.• His big break at ninety-one was in getting to babysit instead of being babysat.• I'll ask Jane to babysit on Wednesday night.• Beyond a little babysitting, there is often nothing one can do except wait.• He was doubling for Immigration who had gone home to babysit while his wife went to the movies with her sister. 