noun see: collar Date: 1528 a metal band, collar, ferrule, or flange: as, a casing or socket for holding a tool (as a drill bit), a circle or flange in which a gem is set
COLLET
Meaning of COLLET in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012