What is the meaning of Hanse?

Alternative form of Hanse, a merchant guild or a former commercial league of German cities.

The guildhall of a Hanse.

A fee payable to the Hanse, particularly its entrance fee and the impost levied on non-members trading in its area.

That part of an elliptical or many-centred arch which has the shorter radius and immediately adjoins the impost.

Source: wiktionary.org