hairspring

2 ENTRIES FOUND:

hair·spring

noun \-ˌspriŋ\

Definition of HAIRSPRING

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

First Known Use of HAIRSPRING

1830

Browse

Next Word in the Dictionary: hairst
Previous Word in the Dictionary: hair spray
All Words Near: hairspring

Seen & Heard

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