usance in WordNet English dictionary

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