Definition of keyboard:
musical instrument (part of speech: noun)
- English horn,
- classical guitar,
- electric guitar,
- alto saxophone,
- French horn,
- electric piano,
- tenor saxophone,
- "Mysterious Mr. Sabin", E. Phillips Oppenheim.
- "Chopin: The Man and His Music", James Huneker.
- "The Lost Valley", J. M. Walsh.