hairspring

play
noun hair·spring \ˈher-ˌspriŋ\

Definition of hairspring

  1. :  a slender spiraled recoil spring that regulates the motion of the balance wheel of a timepiece

First Known Use of hairspring

1830

Learn More about hairspring


Seen and Heard

What made you want to look up hairspring? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!