What does the word impost mean?

Usage examples for impost

  1. The tenements paid twopence each yearly as greenhue rent, an impost which was once a common payment by Cumberland and Westmorland manorial tenants; along with it in the Eskdale and Mitredale manors of the Earls of Egremont was a due called " door- toll." – Bygone Cumberland and Westmorland by Daniel Scott
  2. But the time may come when Government will be constrained to raise a greater proportion of its collective revenues than it has hitherto done from indirect taxation, and when this time comes, the rule which confines the impost to a single line must of course be abandoned. – Rambles and Recollections of an Indian Official by William Sleeman