Real Dictionary

queue
If you say there is a queue of people who want to do or have something, you mean that a lot of people are waiting for an opportunity to do it or have it.
countable noun: A queue is a line of people or vehicles that are waiting for something.
verb: When people queue, they stand in a line waiting for something.

queue in American English
a plait of hair worn hanging from the back of the head; pigtail
to form in a line while waiting
to form in or be part of a line or file while waiting to be served, etc.
noun: a braid of hair worn hanging down behind

queue in British English
noun: a line of people, vehicles, etc, waiting for something