Definition of "duster" [dust•er]

• One that dusts, especially: (noun)
• A cloth or brush used to remove dust. (noun)
• A device for sifting or scattering a powdered substance. (noun)
• A smock worn to protect one's clothing from dust. (noun)
• A woman's loose dress-length housecoat. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The duster is next, click on it and the teacher will bend down to pick it up; click on the teacher again and the boy nearest to her will use her as a dart board (ouch!)."
• "Getting hit by somebody wearing a knuckle duster is going to hurt at the best of times, so I dread to think what one that packs a 950,000 volt punch will feel like."
• "The average age of the typical crop duster is 60, the number of crop dusters is dwindling, and the profession can be dangerous."