plotter
noun [ C ] uk/ˈplɒt.ər/ us/ˈplɑː.t̬ɚ/
(PERSON)
阴谋者
someone who makes a secret plan to do something wrong, harmful, or illegal
(EQUIPMENT)
绘图机，描绘器
a piece of equipment that marks things, such as the position of a ship or aircraft, on a map or piece of paper