Mus. [TWENTY A. I b.] A note 22 diatonic degrees distant from a given note, or the interval between two such notes (equal to three octaves); hence, an organ-stop formerly used, sounding three octaves above the normal pitch (more commonly called two-and-twentieth: see TWO B. I. 3 a).
c. 1700. in Grove, Dict. Mus., II. 595/1. Great Organ. 1. Open Diapason…. 13. Tierce. 14. Larigot. 15. Twenty-second.
