/ Dictionary / Index S sq. cm: Meaning and Definition of Find definitions for: sq. cm Pronunciation: [key] square centimeter; square centimeters. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Sq. sqd. Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language