nonsense word 
noun
A word having no conventionally accepted meaning.No name tickled all our fancies, but we agreed that a nonsense word was the way to go....
- I always thought it was just a nonsense word the Hoodoo Gurus made up.
- The speaker announced that she would pronounce a nonsense word, baba.
- printergram
- printer-plotter
- Printers' Bible
- printer's devil
- cross-compiler
- cross-connection
- cross-contaminate
- cross-contamination
- cross-correlate
- cross-correlation
- cross-country
- cross-court
- cross cousin
- cross-cultural
- cross-current
- cross-curricular
- cross-cut
- cross-cut saw
- cross-dating
- cross-disciplinary
- cross-dress
- cross-dresser
- crosse
- crossed line
- crosser