In the United States Government Land Survey, a square tract of laud containing 160 acres, and constituting one fourth of a section.(noun)
The Century Dictionary (Public Domain)
Use "quarter-section" in a sentence
"If you take a healthy quarter-section of good native grass and just let it sit with no grazing, no fire and no disturbance then I promise you in 15 years or so you'll have 160 acres of cedar."
"In December 1912, the City Club of Chicago staged a competition for the design of a quarter-section of the Chicago grid."
"Eventually I learned it was equivalent to 160 acres, but why was it a quarter-section?"