Entry 3 senses · 3 variants Webster, 1913 Quire /kwīr/ · IPA /ˈkwaɪ.ə(ɹ)/ n. v. i. n. 01 n. See Choir. 1. See Choir.[Obs.] See: Choir “A quire of such enticing birds.” — Shak. 02 v. i. To sing in concert. 1. To sing in concert.[R.] 03 n. A collection of twenty-four sheets of paper of the same size and quality, unfolded or having a single fold; one twentieth of a ream. 1. A collection of twenty-four sheets of paper of the same size and quality, unfolded or having a single fold; one twentieth of a ream.