1. a cloth or brush used for removing dust from surfaces
2. a light coat worn to protect clothing from dust
Usage: somewhat dated
3. a device that sprays insecticide or other substances in powder form
Usage: agricultural

Examples

• She used a feather duster to clean the bookshelf.
• The maid wiped down the furniture with a microfiber duster.
• He put on his old duster before heading out to the dusty ranch.
• The crop duster flew low over the cornfield.
• I need to buy a new duster for cleaning the ceiling fan.
• The antique duster hung in the closet for decades.