The Collaborative International Dictionary
Cineraria maritima
dusty \dust"y\ (d[u^]st"[y^]), a. [Compar. Dustier (d[u^]st"[i^]*[~e]r); superl. Dustiest (d[u^]st"[i^]*[e^]st).] [AS. dystig. See Dust.]
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Filled, covered, or sprinkled with dust; clouded with dust; as, a dusty table; a dusty attic; also, reducing to dust.
And all our yesterdays have lighted fools The way to dusty death.
--Shak. -
Like dust; of the color of dust; as, a dusty white.
Dusty miller (Bot.), a plant ( Cineraria maritima); -- so called because of the ashy-white coating of its leaves.