A ticket number is the slip that says when you will be called. Take a ticket number, wait for your ticket number.
It replaces a queue with a seat, which is kinder and feels slower. A ticket number system also lets the counter serve out of order without an argument.
1nounticket numberThe slip that says when you will be called.
“He took a ticket number and sat down for forty minutes.”
ticket number is a slip.
Practised in Bank & Post Office