Refers to fine dust that collects on surfaces, in rooms, on clothes, or around objects.
Dust has collected on the shelf.
The old book was covered with dust.
Dust has piled up on the bookshelf.
I brushed the dust off my jacket before heading out.
That guitar has been sitting covered in dust for years.
The car drove off, kicking up dust as it went.
dust cover; dust protection
dusty; dust-covered