A band, flange, ferrule, or collar, designed to grip and hold a tool or a workpiece under proper control, and usually to release it under control thereafter; such a collet usually is made of a hard...

The state or condition of being spontaneous; spontaneity.

simple past tense and past participle of preappoint

A village in Rugeley parish, Cannock Chase district, Staffordshire, England (OS grid ref SK0217).