Webster’s Revised Unabridged Dictionary · 1913
Usance
Us′ance, n. [F. See Use, v. t.]
1. Use; usage; employment. [Obs.] Spenser.
2. Custom; practice; usage. [Obs.] Gower. Chaucer.
3. Interest paid for money; usury. [Obs.] Shak.
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.