Definition of plotting table in US English:

plotting table

noun

  • 1Military a table on which plotting of maps may be carried out; especially a large table bearing a small-scale map of a region on which the positions of forces, especially aircraft, ships, etc., may be represented by movable counters, etc.; (also) a table in an aeroplane, ship, etc., on which its course may be plotted.

  • 2Computing rare a flatbed plotter.

Origin

Mid 18th century.