1. (

• schemer ,
• plotter ,

) a planner who draws up a personal scheme of action ;

2. (

• plotter ,
• mapper

) a clerk who marks data on a chart ;

3. (

• conspirator ,
• coconspirator ,
• plotter ,
• machinator

) a member of a conspiracy ;

4. (

• plotter

) an instrument (usually driven by a computer) for drawing graphs or pictures ;