Meaning of bridge pin in English:

bridge pin

noun

  • (In a piano, harpsichord, etc.) one of the pins or pegs set into the bridge to space and align the strings; (on a guitar, ukulele, etc.) the pin which holds the end of each string in place at the bridge.

Origin

Late 17th century; earliest use found in Richard Blome (bap. 1630, d. 1705), cartographer and bookseller.