Pronunciation: (tsôl'fer-īn"; Eng. tsôl'fu-rīn"), [key]
1. (in the 19th century) a union of German states for the maintenance of a uniform tariff on imports from other countries, and of free trading among themselves.
2. any similar union or arrangement between a number of states; customs union.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.