The state of being at work and responsible for or doing a particular task.
That which one is morally or legally obligated to do.
A tax placed on imports or exports; a tariff.
The efficiency of an engine, especially a steam pumping engine, as measured by work done by a certain quantity of fuel; usually, the number of pounds of water lifted one foot by one bushel of coal (94 lbs. old standard), or by 1 cwt. (112 lbs., England, or 100 lbs., United States).
An homage made in a body of work to another work or creator.
A certain proportion of the mined ore, or of its value, given to the miner as payment.
A payment made by one nation to another in submission.
Extortion; protection money.
An acknowledgment of gratitude, respect or admiration; an accompanying gift.
A payment made by a feudal vassal to his lord.
To pay as tribute.