/ Dictionary / Index L Latin square: Meaning and Definition of Find definitions for: Lat'in square" Pronunciation: [key] — Math. Math. a square array of numbers, letters, etc., in which each item appears exactly once in each row and column: used in statistical analysis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Latin school Latinus Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language