Definition of watch spring in US English:

watch spring


  • A mainspring in a watch.

    • ‘Earring-Object is a Cubist-inspired, dangling accoutrement cobbled together from a watch spring and bits of found metal.’
    • ‘It's function is to cause the proboscis to become coiled like a watch spring when not in use.’
    • ‘It would not be surprising if he owned a watch at this time and that he acquired his data about watch springs in either acquiring a watch or in replacing a broken watch spring.’