Get Your Premium Membership

Mainspring Definition

Other Mainspring Definition

[n] the most important spring in a mechanical device (especially a clock or watch); as it uncoils it drives the mechanism

More below...

See Also...

clockwork, spring

Misc. Definitions

\Main"spring`\, n. The principal or most important spring in a piece of mechanism, especially the moving spring of a watch or clock or the spring in a gunlock which impels the hammer. Hence: The chief or most powerful motive; the efficient cause of action.

More Mainspring Links:
Link to this Mainspring definition/page: