intransitive verb
Definition: To become covered with fine particles of dirt or powder, often as a result of movement or activity.
Example: The old book began to dust as it sat on the shelf for years.
noun
Definition: Small, dry particles that are found on surfaces or in the air, often made of dirt or other materials.
Example: After cleaning the shelves, I noticed a layer of dust had settled again.
transitive verb
Definition: To remove dust from a surface by wiping or brushing, or to sprinkle a fine powder on something.
Example: I need to dust the shelves before the guests arrive.