Clavier (noun)

A keyboard of a musical instrument, such as a piano or an organ.

Origin:

Middle french, from old french clavier, from latin clavis key.

Examples:

1. The clavier of the piano was made of ivory and had 88 keys.
2. The clavier of the organ was one of the largest and most complex in the world.
3. The clavier was the primary interface for playing and creating music on the instrument.
4. The clavier was an important aspect of the design of the instrument, affecting the sound and playability.
5. The clavier was a feature that allowed the musician to play a wide range of notes and dynamics.