hoar /ˈhor, ˈhɔr/
  (a.)白的,灰色的,發白的灰白,灰白色,白霜
  Hoar a.
  1. White, or grayish white; as, hoar frost; hoar cliffs. “Hoar waters.”
  2. Gray or white with age; hoary.
     Whose beard with age is hoar.   --Coleridge.
     Old trees with trunks all hoar.   --Byron.
  3. Musty; moldy; stale. [Obs.]
  Hoar, n. Hoariness; antiquity. [R.]
     Covered with the awful hoar of innumerable ages.   --Burke.
  Hoar, v. t.  To become moldy or musty. [Obs.]
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  hoar
       adj : 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,
              hoary, white-haired]
       n : ice crystals forming a white deposit (especially on objects
           outside) [syn: frost, hoarfrost, rime]