plotter

Short definition from Wiktionary

Noun

1. 1
   A person who plots.
2. 2
   An output device that draws graphs and other pictorial images on paper, sometimes using attached pens.
3. 3
   An instrument used to mark or find the position of a vessel on a chart.
4. 4
   An author who usually relies on a plan or outline to organize their story.

Verb

1. 1
   Alternative form of plouter.