dustbag noun2 •The bag inside a vacuum cleaner where collected dust is stored.These may contain filters manufactured without the use of harmful materials and may not require a dustbag. Dyson vacuum cleaners are examples of designs with such characteristics. — 2002 •A bag in which clothing can be protected from damage.[…] old textbooks and dusty encyclopedias, clothing hanging from rafters in dustbags, and all the other useless and superfluous stuff usually found in attics. — 2005 formsdustbags
