tuning peg
noun/ˈtjuːnɪŋ peɡ/
/ˈtuːnɪŋ peɡ/
(also peg)
- a short piece of wood, metal or plastic that you turn to make the strings of a musical instrument tighter or looser
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tuning peg
Definition of tuning peg noun from the Oxford Advanced Learner's Dictionary