From Longman Dictionary of Contemporary Englishdusterdust‧er /ˈdʌstə $ -ər/ noun [countable] 1 
DHCa cloth for removing dust from furniture2 American English old-fashionedDHCDCC a light coat that you wear to protect your clothes while you are cleaning the house3 HEMDN American English informal a dust storm
DHCa cloth for removing dust from furniture2 American English old-fashionedDHCDCC a light coat that you wear to protect your clothes while you are cleaning the house3 HEMDN American English informal a dust stormExamples from the Corpus
duster• I did not so much as flick a duster around the papers.• She was in a housedress and held a duster in her hand.• The assassin was cramped in a narrow space above the housemaids' cupboard full of brooms and dusters.• He wore a canvas duster over his overalls that came down to his ankles.• Shake the bottle well, apply with a clean cloth and polish with a soft duster.• Continue rubbing until the surface feels dry and then polish vigorously with a clean soft duster.• Miss Harker flapped the duster angrily. 