(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.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.