/ Dictionary / Index S submediant: Meaning and Definition of Find definitions for: sub•me•di•ant Pronunciation: (sub-mē'dē-unt), [key] — n. Music. the sixth tone of a diatonic scale, being midway between the subdominant and the upper tonic. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: submediant (Thesaurus) submaxillary gland submerge Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language