Meaning

noun a line of people or vehicles waiting for something

noun (information processing) an ordered list of tasks to be performed or messages to be transmitted

noun a braid of hair at the back of the head

originFrom Middle English queue, quew, qwew, couwe, from Anglo-Norman queue, keu and Old French cöe, cue, coe (“tail”), from Vulgar Latin cōda, from Latin cauda. See also Middle French queu, cueue. Doublet of coda and cola.

Etymology from Wiktionary, CC BY-SA 3.0