noun (n)

• the period of time permitted by commercial usage for the payment of a bill of exchange (especially a foreign bill of exchange)(noun.time)

  source: wordnet30
• (economics) the utilization of economic goods to satisfy needs or in manufacturing(noun.process)

  Synonym:
  consumption, economic consumption, use, use of goods and services
  

  source: wordnet30
• accepted or habitual practice(noun.act)

  Synonym:
  custom, usage
  

  source: wordnet30
• Use; usage; employment.(noun)

  source: webster1913