the GNU version of the Collaborative International Dictionary of English
noun.
a stringed instrument that has a keyboard, especially a piano, harpsichord, or clavichord; also, the keyboard of such an instrument. Same as clavier.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a stringed instrument that has a keyboard
Word Usage
"In 1814 we have the lovely sonata in E minor for piano, Opus 90, and in 1818 the great sonata for hammer klavier, Opus 106."