Meaning of groundplot

ground•plot

Pronunciation: (ground'plot"), [key]
— n.
  1. a method for obtaining the position of an aircraft by multiplying its groundspeed by its time in flight and marking off the product with respect to its starting position.
  2. See(def. 1).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.