wait on

US /weɪt ɑːn/
UK /weɪt ɑːn/
"wait on" picture
1.

to serve someone, especially by bringing them food or drink

:
The staff at the restaurant were quick to wait on us.
She spent years waiting on tables to pay for her studies.
2.

to await someone or something

:
We had to wait on the manager to approve the decision.
The whole team is waiting on his recovery before starting the project.