Found 2 items, similar to Hairspring.
English → English (WordNet)
Definition: hairspring
hairspring
n : a fine spiral spring that regulates the movement of the
balance wheel in a timepiece
English → English (gcide)
Definition: Hairspring
Hairspring
\Hair"spring`\ (-spr[i^]ng`), n. (Horology)
The slender recoil spring which regulates the motion of the
balance in a timepiece.
[1913 Webster]