We found one dictionary that defines the word supplementary device:

Business (1 matching dictionary)

1. supplementary device: Legal dictionary

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