From Longman Dictionary of Contemporary Englishfeather dusterˌfeather ˈduster noun [countable] DHCa stick with feathers on the end that you use to remove dust
Examples from the Corpus
feather duster• He stepped forward and picked her up, as easily as lifting a feather duster.• I almost expected to see a feather duster in his mouth.• Then, with a swivel of her bellybutton and a whisk of her pink feather duster, all was peace and love. 