| NOUN | artifact | mainspring | the most important spring in a mechanical device (especially a clock or watch) |
|---|
| Meaning | The most important spring in a mechanical device (especially a clock or watch); as it uncoils it drives the mechanism. | |
|---|---|---|
| Part of | clockwork | Any mechanism of geared wheels that is driven by a coiled spring |
| Broader | spring | A metal elastic device that returns to its shape or position when pushed or pulled or pressed |
| Catalan | ressort motor | |
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