[ 'kɒlɪt ]
■ noun
1》 a segmented band put round a shaft and tightened so as to grip it.
2》 a small collar in a clock to which the inner end of a balance spring is attached.
3》 a flange or socket for setting a gem in jewellery.
Origin
ME: from OFr., dimin. of col 'neck', from L. collum .