zollvereinisthttp://www.oed.com/dictionary/zollvereinist_n%3Ftab%3Dmeaning_and_usezollvereinist, n.
First published 1921; not fully revised

zollvereinistnoun

Now Historical.
  1. 1843–
    An advocate of a British imperial zollverein.
    Stressed as ˈzollvereinist.

Originally published as part of the entry for zollverein, n.

zollverein, n. was first published in 1921; not fully revised.