We found one dictionary that defines the word dummy word:

Art (1 matching dictionary)

1. Linguistic Glossary (No longer online)

▸ Words similar to dummy word ▸ Usage examples for dummy word ▸ Idioms related to dummy word ▸ Wikipedia articles (New!) ▸ Words that often appear near dummy word ▸ Rhymes of dummy word ▸ Invented words related to dummy word