noun
: a spring formed of a conically spiral coil of plate, rod, or wire that is extended or extensible in the direction of the axis of the coil in which direction its elastic force is exerted
noun
: a spring formed of a conically spiral coil of plate, rod, or wire that is extended or extensible in the direction of the axis of the coil in which direction its elastic force is exerted
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012