Wait On Meaning
(falconry) To fly above its master, waiting till game is sprung; said of a hawk.
Example: I'm waiting on the light to change.
To wait for a person to do something.
I'm waiting on you before we can leave.
To serve someone.
Is someone waiting on you yet?
I must wait on myself, must I?
Dr. H. More
that ruin that waits on such a supine temper
Bible, Numbers iii. 10
Aaron and his sons [â€¦] shall wait on their priest's office.
Used other than as an idiom: see wait,â€Ž on.
The airplane had to wait on the runway for a few minutes before it could take off.