Definitions

1. adjective

relating to or serving to regulate the pitch of a musical instrument, especially one with a variable tuning system.

“The epichordal mechanism allowed the musician to adjust the pitch of the instrument in real-time.”

2. noun

a string or wire that serves to regulate the pitch of a musical instrument, especially one with a variable tuning system.

“The epichordal of the violin is used to fine-tune the instrument.”