/ Dictionary / Index S sphragistic: Meaning and Definition of Find definitions for: sphra•gis•tic Pronunciation: (sfru-jis'tik), [key] — adj. of or pertaining to seals or signet rings. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sphinx moth sphragistics Related Content Daily Word Quiz: eccentric Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language