- Aeronautics. 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.
- ground plan(def 1).
Origin of groundplot
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for groundplot
The groundplot of it was fifty feet by forty-five; each end is formed by four stout posts, fixed perpendicularly in the ground.