From Longman Dictionary of Contemporary Englishtend bartend barespecially American EnglishWORK/DO WORK to work as a bartender → tend
Examples from the Corpus
tend bar• After high school, Medville found herself looking at a future on welfare or tending bar.• In August she took a weekend job tending bar.• He pays the rent by tending bar and working for a couple of unlicensed moving companies.• Albert was tending bar, but the thirsty were three-deep in front of him.• Jack, though he had tended bar in his time, was not required to do manual labor.• Scott tended bar part-time while going to college. 