dust

noun1 of 2

fine dry powder that builds up on surfaces

• “A thick layer of dust covered everything in the room.”Tatoeba
• “Books gather dust on her shelf because she never reads.”Tatoeba

Sentences from Tatoeba show real usage. A word can have several meanings, so a sentence may use another one.

verb2 of 2

To spray or cover something with fine powder or liquid.