<p><strong>Noun</strong></p><ul><li>earth or other matter in fine, dry particles.</li><li>a cloud of finely powdered earth or other matter in the air.</li><li>any finely powdered substance, as sawdust.</li><li>the ground; the earth's surface.</li><li>the substance to which something, as the dead human body, is ultimately reduced by disintegration or decay; earthly remains.</li><li>British. ashes, refuse, etc.</li><li>junk 1 (def 1).</li><li>a low or humble condition.</li><li>anything worthless.</li><li>disturbance; turmoil.</li><li>gold dust.</li><li>the mortal body of a human being.</li><li>a single particle or grain.</li><li>Archaic. money; cash.</li></ul><p><strong>Verb</strong></p><ul><li>(used with object) to wipe the dust from: to dust a table.</li><li>to sprinkle with a powder or dust: to dust rosebushes with an insecticide.</li><li>to strew or sprinkle (a powder, dust, or other fine particles): to dust insecticide on a rosebush.</li><li>to soil with dust; make dusty.</li><li>(used without object) to wipe dust from furniture, woodwork, etc.</li><li>to become dusty.</li><li>to apply dust or powder to a plant, one's body, etc.: to dust with an insecticide in late spring.</li></ul>