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.
  ◄ ►
  hoary
       adj 1: showing characteristics of age, especially having gray or
              white hair; "whose beard with age is hoar"-Coleridge;
              "nodded his hoary head" [syn: gray, grey, gray-haired,
               grey-haired, gray-headed, grey-headed, grizzly,
               hoar, white-haired]
       2: ancient; "hoary jokes" [syn: rusty]
       3: covered with fine whitish hairs or down [syn: canescent]
       [also: hoariest, hoarier]