Commerce. 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.
2.
Economics. the income of benefits of every kind derived from the ownership of wealth.
Origin: 1350–1400; Middle English usaunce < Old French usance, probably < Medieval Latin ūsantia, derivative of Latin ūsant- (stem of ūsāns), present participle of ūsāre to use; see -ance