/ Dictionary / Index S sphenography: Meaning and Definition of Find definitions for: sphe•nog•ra•phy Pronunciation: (sfē-nog'ru-fē), [key] — n. the art of writing in cuneiform characters. the study of cuneiform writing. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sphenogram sphenoid 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