volapuk

from WordNet (r) 3.0 (2006)

Volapuk
    n 1: one of the first artificial language constructed for use as
         an auxiliary international language; based largely on
         English but with some German and French and Latin roots

from The Collaborative International Dictionary of English v.0.48

Volapuk \Vol`a*p["u]k"\, n.
   Literally, world's speech; the name of an artificial language
   invented by Johan Martin Schleyer, of Constance, Switzerland,
   about 1879. For more about "planned languages", see
   {Esperanto}.
   [1913 Webster + PJC]