Pitch provider

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
noun EXAMPLES FROM CORPUS ▪ A gravitational wave at the natural frequency for longitudinal oscillations of the bar would set it ringing like a tuning fork . ▪ Delaney's bomb had shaken through the ship, vibrating the steel like a tuning fork . ▪ Didymograptus ...

WordNet Word definitions in WordNet
n. a metal implement with two prongs that gives a fixed tone when struck; used to tune musical instruments

Wiktionary Word definitions in Wiktionary
n. (context musici English) A fork-shaped object which emits a tone of a specific frequency when struck.

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Tuning \Tun"ing\, a. & n. from Tune , v. Tuning fork (Mus.), a steel instrument consisting of two prongs and a handle, which, being struck, gives a certain fixed tone. It is used for tuning instruments, or for ascertaining the pitch of tunes.

Wikipedia Word definitions in Wikipedia
A tuning fork is an acoustic resonator in the form of a two-pronged fork with the prongs ( tines ) formed from a U-shaped bar of elastic metal (usually steel ). It resonates at a specific constant pitch when set vibrating by striking it against a surface ...