(n.) A tariff may be imposed solely for, and with reference to, the production of revenue (called a revenue tariff, or tariff for revenue, or for the artificial fostering of home industries (a projective tariff), or as a means of coercing foreign governments, as in case of retaliatory tariff.
TARIFF
Meaning of TARIFF in English
Webster's English dictionary. Английский словарь Webster. 2012