n.
Pronunciation: ' kw ī (- ə )r
Function: noun
Etymology: Middle English quair four sheets of paper folded once, collection of sheets, from Anglo-French quaier, from Vulgar Latin *quaternum set of four, from Latin quaterni four each, set of four ― more at QUATERNION
Date: 15th century
: a collection of 24 or sometimes 25 sheets of paper of the same size and quality : one twentieth of a ream