Definitions
1.nounAn animal's tail.
2.nounA men's hairstyle whose primary attribute is a braid or ponytail at the back of the head, such as that worn by men in Imperial China.
3.nounA line of people, vehicles or other objects, in which one at the front end is dealt with first, the one behind is dealt with next, and so on, and which newcomers join at the opposite end (the back).
4.nounA waiting list or other means of organizing people or objects into a first-come-first-served order.
5.nounA data structure in which objects are added to one end, called the tail, and removed from the other, called the head (- a FIFO queue). The term can also refer to a LIFO queue or stack where these ends coincide.
6.verbTo put oneself or itself at the end of a waiting line.
7.verbTo arrange themselves into a physical waiting queue.
8.verbTo add to a queue data structure.
9.verbTo fasten the hair into a queue.