Latin square

noun

, Mathematics.

1. a square array of numbers, letters, etc., in which each item appears exactly once in each row and column: used in statistical analysis.

Latin square

noun

1. (in statistical analysis) one of a set of square arrays of n rows and columns, esp as used in statistics and studied in combinatorial analysis, built up from n different symbols so that no symbol occurs more than once in any row or column

Word History and Origins

Origin of Latin square¹

First recorded in 1885–90