A computer output device that draws graphs or pictures, usually by moving a pen. (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "plotter" in a sentence
"Vowel, the other plotter, is also executed, but the third saves himself, as we know, by confession."
"Another plotter was a friend of Lodge's, Theodore Roosevelt."
"You have to load your routes onto a card and upload it to the plotter, and working out exactly where to put it in the PC so it appears in the right place on the plotter is a minefield."