Real Dictionary

levy
countable noun: A levy is a sum of money that you have to pay, for example as a tax to the government.
verb: If a government or organization levies a tax or other sum of money, it demands it from people or organizations.

levy in American English
an imposing and collecting of a tax or other payment
to impose or collect (a tax, tribute, fine, etc.)
to make a levy
intransitive verb: to seize or attach property by judicial order
noun: a male given name
noun: an imposing or collecting, as of a tax, by authority or force
transitive verb: to impose (a tax)

levy in British English
noun: the act of imposing and collecting a tax, tariff, etc
verb: to impose and collect (a tax, tariff, fine, etc)