'Hoariness' definitions:

Definition of 'hoariness'

From: WordNet
noun
A silvery-white color [syn: frostiness, hoariness]
noun
Great age (especially grey or white with age)

Definition of 'Hoariness'

From: GCIDE
  • Hoariness \Hoar"i*ness\, n. [From Hoary.] The state of being hoary. --Dryden. [1913 Webster]