Meaning of the word "tuning peg" in English

What does "tuning peg" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

tuning peg

US /ˈtuːnɪŋ peɡ/
UK /ˈtjuː.nɪŋ peɡ/
"tuning peg" picture

Noun

a device on a stringed musical instrument that is turned to adjust the tension of a string and thereby change its pitch

Example:
He carefully adjusted each tuning peg on his guitar to get the perfect pitch.
One of the tuning pegs on my violin is loose, making it hard to keep in tune.