Quire
Part of speech: verb
Definition: (bookbinding) To prepare quires by stitching together leaves of paper. To sing in concert.
Part of speech: noun
Definition: One-twentieth of a ream of paper; a collection of twenty-four or twenty-five sheets of paper of the same size and quality, unfolded or having a single fold. (bookbinding) A set of leaves which are stitched together, originally a set of four pieces of paper (eight leaves, sixteen pages). This is most often a single signature (ie group of four), but may be several nested signatures. A book, poem, or pamphlet. A choir. The architectural part of a church in which the choir resides, between the nave and the sanctuary.
Choir
Part of speech: noun
Definition: singing group; group of people who sing together; company of people who are trained to sing togetherthe part of a church where the choir assembles for songone of the nine ranks or orders of angels