[1] : The Collaborative International Dictionary of English v.0.48

usance \us"ance\, n. f. see use, v. t.
   1913 webster
   1. use; usage; employment. obs. --spenser.
      1913 webster

   2. custom; practice; usage. obs. --gower. chaucer.
      1913 webster

   3. interest paid for money; usury. obs. --shak.
      1913 webster

   4. com. the time, fixed variously by the usage between
      different countries, when a bill of exchange is payable;
      as, a bill drawn on london at one usance, or at double
      usance.
      1913 webster
see also:
use 

[2] : WordNet (r) 2.0

usance
     n 1: the period of time permitted by commercial usage for the
          payment of a bill of exchange especially a foreign bill
          of exchange
     2: economics the utilization of economic goods to satisfy
        needs or in manufacturing; "the consumption of energy has
        increased steadily" syn: consumption, economic
        consumption, use, use of goods and services
     3: accepted or habitual practice syn: custom, usage
see also:
consumption economic consumption use use of goods and services custom usage 

[3] : Bouvier's Law Dictionary, Revised 6th Ed (1856)

usance, commercial law. the term usance comes from usage, and signifies the 
time which by usage or custom is allowed in certain countries, for the 
payment of a bill of exchange. poth. contr. du change, n. 15. 
     2. the time of one, two or three mouths after the date of the bill, 
according to the custom of the places between which the exchanges run. 
     3. double or treble is double or treble the usual time, and half usance 
is half the time. where it is necessary to divide a month upon a half 
usance, which is the case when the usance is for one month or three, the 
division, notwithstanding the difference in the length of the months, 
contains fifteen days. 

Usance >> U Words
Usance, definition of term: Usance
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