Entry 2 senses · 2 variants Webster, 1913 Queue /kyo͞o/ · IPA /kju/ n. v. t. 01 n. A tail-like appendage of hair; a pigtail. 1. A tail-like appendage of hair; a pigtail. 02 v. t. To fasten, as hair, in a queue. 1. To fasten, as hair, in a queue.