/ Dictionary / Index S subquarterly: Meaning and Definition of Find definitions for: sub•quar•ter•ly Pronunciation: (sub-kwôr'tur-lē, -kwô'-), [key] — adv. Heraldry. as one of the quarterings of a grand quarter: a coat of arms borne subquarterly. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. subquarter subrational Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language