plotter

American  

[plot-er] / ˈplɒt ər /

noun

1. a person or thing that plots.

2. an instrument, as a protractor, for plotting lines and measuring angles on a chart.

3. Computers. an output device that produces a graphical representation by drawing on paper, as with one or more attached pens.

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plotter British  

/ ˈplɒtə /

noun

1. an instrument for plotting lines or angles on a chart

2. a person who plots; conspirator

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Etymology

Origin of plotter

First recorded in 1580–90; plot + -er ¹

Example Sentences

Afterward, one plotter ordered the TV studio staff to play Samary’s statement on a loop.

From The Wall Street Journal • Mar. 12, 2026

To add insult to injury, she describes John Eastman, another coup plotter, as flashing a "leering grin" while Giuliani manhandled her.

From Salon • Sep. 22, 2023

White ribbons curl across the composition, their free forms in contrast to the tightly overlapping circles produced by a mechanical plotter.

From Washington Post • Dec. 23, 2022

The strike was particularly meaningful for the CIA, which lost seven employees in trying to find al-Zawahri, a key plotter of the Sept. 11 attacks who was then al-Qaida’s second-in-command.

From Washington Times • Sep. 24, 2022

Mentally, though, it was the cautious crawl of the plotter.

From "I, Robot" by Isaac Asimov

Related Words

• accomplice
• collaborator
• traitor