Webster’s Revised Unabridged Dictionary · 1913
Quire
Quire (kwīr), n. See Choir. [Obs.] Spenser.
A quire of such enticing birds. Shak.
Quire, v. i. To sing in concert. [R.] Shak.
Quire (kwīr), n. [OE. quaer, quair, OF. quayer, cayer, caïer, F. cahier, a book of loose sheets, a quarter of a quire, LL. quaternus, quaternum, sheets of paper packed together, properly, four together, fr. L. quaterni four each, by fours, quattuor four. See Four, and cf. Cahier.] 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.