Square mile

This article is about the unit of measure. For other meanings, see Square mile (disambiguation). The square mile is an imperial and US unit of area equal the area of a square of one statute mile. It should not be confused with the archaic miles square, which refers to the number of miles on each side squared. For instance, 20 miles square (20 x 20 miles) is equal to 400 square miles.
See more at Wikipedia.org...

A square mile is a unit of area equal to the area of a square of one mile in length on each side. Other derivative meanings include:The City of London, being about a square mile in area.The Square Mile land development board game released by Milton Bradley in 1962.A day-to-day name for a Section in areas divided into Townships.
See more at Wikipedia.org...

Noun
1. an area of 640 acres
(hypernym) area unit, square measure
(hyponym) section