- a square array of numbers, letters, etc., in which each item appears exactly once in each row and column: used in statistical analysis.
Origin of Latin square
First recorded in 1885–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- (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