Source : Webster's Revised Unabridged Dictionary (1913)

Glossolalia \Glos`so*la"li*a\, Glossolaly \Glos*sol"a*ly\, n.
   [NL., fr. Gr. ? tongue + ? talk: cf. F. glossolalie.]
   The gift of tongues. Farrar.

Source : WordNet®

glossolalia
     n : repetitive nonmeaningful speech (especially that associated
         with a trance state or religious fervor)