square measure definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a system of measuring area, esp. the system in which 144 square inches = 1 square foot or that in which 10,000 square centimeters = 1 square meter
square measure definition by American Heritage Dictionary
A system of units used in measuring area.