/ Dictionary / Index S square measure: Meaning and Definition of Find definitions for: square' meas'ure Pronunciation: [key] a system of units for the measurement of surfaces or areas. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. square meal square meter Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language