/ Dictionary / Index C custumal: Meaning and Definition of Find definitions for: cus•tu•mal Pronunciation: (kus'choo-mul), [key] — n. a customary. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. custos morum* cut Related Content Daily Word Quiz: drowsy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language