Definitions
1.verbTo provide a service to (someone); to act as a servant to (someone); to serve (someone) as a waiter or waitress in a restaurant."Is someone waiting on you yet?"
2.verbTo wait for (a person)."I'm waiting on you before we can leave."
3.verbTo wait for (a thing, or an event to take place)."I'm waiting on the light to change."
4.verbTo be in store for (someone).
5.verbTo visit (someone) as a courtesy, on business or for ceremony.
6.verbTo occur as a consequence of (something), to result from (something).
7.verbTo carry out or perform (a duty, function, etc.).
8.verb(of a hawk) To fly above its master, waiting till game is sprung.