/ Dictionary / Index S sgd.: Meaning and Definition of Find definitions for: sgd. Pronunciation: [key] signed. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. S gauge SGML Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language