S: (n) mechanism (device consisting of a piece of machinery; has moving parts that perform some function)
S: (n) device (an instrumentality invented for a particular purpose) "the device is small enough to wear on your wrist"; "a device intended to conserve water"
S: (v) clip, curtail, cut short (terminate or abbreviate before its intended or proper end or its full extent) "My speech was cut short"; "Personal freedom is curtailed in many countries"