Definitions:

1. Serve food or drinks to someone in a restaurant, cafe, bar, etc. VERB
   • She was the waitress who usually waited on him at the cafe.
2. Serve or attend to someone. VERB
   • The server will wait on your table shortly.
3. Work or be a servant to. VERB
   • She enjoys waiting on guest during the holidays.

Synonyms:

• assist
• attend to
• cater to
• serve