Hoar·y a.
  1. White or whitish. “The hoary willows.”
  2. White or gray with age; hoar; as, hoary hairs.
     Reverence the hoary head.   --Dr. T. Dwight.
  3. Hence, remote in time past; as, hoary antiquity.
  4. Moldy; mossy; musty. [Obs.]
  5. Zool. Of a pale silvery gray.
  6. Bot. Covered with short, dense, grayish white hairs; canescent.
  Hoary bat Zool., an American bat (Atalapha cinerea), having the hair yellowish, or brown, tipped with white.
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