groundplot

[ ground-plot ]
/ ˈgraʊndˌplɒt /

noun

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.

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Origin of groundplot

First recorded in 1570–80; ground1 + plot
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for groundplot