In computer science, a double-ended queue is an abstract data type that generalizes a queue, for which elements can be added to or removed from either the front or back. It is also often called a head-tail linked list, though properly this refers to a specific data structure implementation of a deque.

What does DeQueue mean in English?

A verb meaning "to remove from a queue" An abbreviation for double-ended queue (more commonly, deque)

What does DeQueue mean in C?

DeQueue stands for Double Ended Queue. It is just like a queue but does not support FIFO structure. Insertion and deletion can be done from both side( FRONT & REAR).