the path on the earth's surface below an aircraft, missile, rocket, or spacecraft.
FOR LEXICAL ALIMENTATION, TAKE THIS WORD OF THE DAY QUIZ!
Nourish your vocabulary with a refresher on the words from the week of September 14–20, 2020!
Question 1 of 7
What does “blatherskite” mean?
Origin of ground track
First recorded in 1975–80
Words nearby ground track
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020