Usance

Use; usage; employment.

Custom; practice; usage.

Interest paid for money; usury.

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.

accepted or habitual practice

(economics) the utilization of economic goods to satisfy needs or in manufacturing; "the consumption of energy has increased steadily"