- a two-pronged metal fork that when struck produces a pure note of constant specified pitch. It is used to tune musical instruments and in acoustics
WordReference Random House Learner's Dictionary of American English © 2026
tun•ing fork /ˈtunɪŋ ˌfɔrk, ˈtyu/USA pronunciation n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2026- Music and Dancea steel instrument made of a stem with two prongs, producing a musical tone of a definite, constant pitch when struck:A tuning fork is used as a standard for tuning musical instruments.
tun′ing fork′,
- Music and Dancea steel instrument consisting of a stem with two prongs, producing a musical tone of definite, constant pitch when struck, and serving as a standard for tuning musical instruments, making acoustical experiments, and the like.
- 1765–75
Collins Concise English Dictionary © HarperCollins Publishers::
tuning fork n
'tuning fork' also found in these entries (note: many are not synonyms or translations):