/ Dictionary / Index U usance: Meaning and Definition of Find definitions for: us•ance Pronunciation: (y'zuns), [key] — n. a length of time, exclusive of days of grace and varying in different places, allowed by custom or usage for the payment of foreign bills of exchange. the income of benefits of every kind derived from the ownership of wealth. use. custom; habit. usury. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: usance (Thesaurus) usageaster USAR Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language