Wordnet 3.0
NOUN (1)
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;
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]
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