square measure
noun
: a unit or system of units for measuring area see Metric System Table, Weights and Measures Table
Example Sentences
Recent Examples on the Web The quilt squares measure either 8 feet by 8 feet or 4 feet by 4 feet. 
Michelle Matthews | Mmatthews@al.com, al, 14 Aug. 2019 To scan thousands of stars for transits, TESS will use four wide-field 16.8-megapixel cameras built at MIT that can each cover a square measuring 24 x 24 degrees across the sky. Jay Bennett, Popular Mechanics, 10 Apr. 2018
Michelle Matthews | Mmatthews@al.com, al, 14 Aug. 2019 To scan thousands of stars for transits, TESS will use four wide-field 16.8-megapixel cameras built at MIT that can each cover a square measuring 24 x 24 degrees across the sky. Jay Bennett, Popular Mechanics, 10 Apr. 2018 Word History
First Known Use
1728, in the meaning defined above