n. the process or a system of putting a musical instrument in tune. tuning-fork a two-pronged steel fork that gives a particular note when struck, used in tuning. tuning-peg (or pin etc.) a peg or pin etc. attached to the strings of a stringed instrument and turned to alter their tension in tuning.
TUNING
Meaning of TUNING in English
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012