Collectively, staff employed to wait at tables in a restaurant.(noun)
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Use "waitstaff" in a sentence
"Restaurants are required by the IRS to report "estimated" tips and waitstaff is expected to pay income tax on those tips."
"For one thing, I went to Mama Inés, a café I don't otherwise like because the waitstaff is in general so arrogant and slow for non-muscle marys, but they have a very good pan tomaca breakfast."
"All the waitstaff were amused with my camera, but then the boss lady came to my table and asked what I was doing."