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Related to Chiroplast: chloroplast


n.1.(Mus.) An instrument to guid the hands and fingers of pupils in playing on the piano, etc.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Also included are seven well-chosen illustrations, among them a lithograph of a version of Johann Bernard Logier's "chiroplast," the contration that famously either caused or exacerbated the hand injury that ended Schumann's original career aspirations as a virtuoso pianist.