n.: chatter, improvement (, clever development of eg machinery, technique, piece of machinery or equipment, apparatus with several moving parts, designed to perform a particular task, and driven by electricity, steam, gas, etc, or by human power, machine or instrument, machine; mechinery; engine; apparatus, run idle, out of gear, fire up(ing), on the blink, break down, wheel, plant, Machinery, Machine, lock, language, hardware, enginery, engine, belt