(n.) The keyboard of an organ, pianoforte, or harmonium.

Klavier Steinway cembalo clarichord clavicembalo clavichord clavicittern clavicymbal clavicytherium clavier concert grand cottage piano couched harp dulcimer harpsichord grand grand piano hammer dulcimer harmonichord harpsichord manichord manichordon melodion melopiano monochord pair of virginals parlor grand pianette pianino piano piano-violin pianoforte sostinente pianoforte spinet square piano upright upright piano violin piano virginal