balance wheel

noun, Horology
1.
balance (def 15).
Origin
1660-70
Examples from the web for balance wheel
  • However, the balance wheel metaphor has another, perhaps unintended meaning.
  • Her chief function is to act as a sort of balance wheel for her husband.
British Dictionary definitions for balance wheel

balance wheel

noun
1.
a wheel oscillating against the hairspring of a timepiece, thereby regulating its beat