Latin square

American  

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.

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Latin square British  

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

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Etymology

Origin of Latin square

First recorded in 1885–90

Example Sentences

Then he led a large group in the “casino circle,” a sort of Latin square dance that originated in Havana in the 1950s.

From Los Angeles Times • Apr. 4, 2026

Thus, the experiment was arranged in a 6 by 6 Latin square and six fertilizer treatments were used.

From Northern Nut Growers Association Report of the Proceedings at the Forty-Second Annual Meeting Urbana, Illinois, August 28, 29 and 30, 1951 by Northern Nut Growers Association