- area unit, square measure - a system of units used to measure areas
--1 is a kind of unit of measurement, unit
--1 has particulars:square inch, sq in; square foot, sq ft; square yard, sq yd; square meter, square metre, centare; square mile; quarter section; acre; are, ar; hectare; arpent; barn, b; dessiatine; morgen; perch, rod, pole; em, mutton, mut; agate line, line; column inch, inch