(fantasy) Magical dust associated with pixies; fairy dust. / (figuratively) Any undefined means of working magic, in a metaphorical sense.

(Britain) Alternative spelling of dustbin

plural of dustbins

(idiomatic) To remain untouched and unused for a long period of time.

Alternative spelling of smartdust

A magical powder that would give the power of flight to whoever it was sprinkled on. / (by extension) Any apparently magical ingredient or effect. / (slang) The drug phencyclidine.

(US) In Alaska, a light, high-altitude snowfall that indicates the end of summer.

(transitive) To remove dust from. / (transitive, figuratively) To use something after a long time without it. / (transitive, slang) To jilt or desert (a person).

Of a dull, pale, brownish color.

To die; to bite the dust. / To be abjectly servile.