/ Dictionary / Index S sphenogram: Meaning and Definition of Find definitions for: sphe•no•gram Pronunciation: (sfē'nu-gram"), [key] — n. a cuneiform character. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sphenodon sphenography Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language