| Noun | 1. | plotter - a planner who draws up a personal scheme of actionangler - a scheming person; someone who schemes to gain an advantage politician - a schemer who tries to gain advantage in an organization in sly or underhanded ways |
| 2. | plotter - a clerk who marks data on a chart clerk - an employee who performs clerical work (e.g., keeps records or accounts) | |
| 3. | plotter - a member of a conspiracy confederacy, conspiracy - a group of conspirators banded together to achieve some harmful or illegal purpose criminal, crook, felon, malefactor, outlaw - someone who has committed a crime or has been legally convicted of a crime | |
| 4. | plotter - an instrument (usually driven by a computer) for drawing graphs or pictures computer, computing device, computing machine, data processor, electronic computer, information processing system - a machine for performing calculations automatically instrument - a device that requires skill for proper use |