Main entry: hoar, hoarfrost, rime, frost
Definition: ice crystals forming a white deposit (especially on objects outside)
Main entry: white-haired, hoar, hoary, gray, gray-haired, gray-headed, grey, grey-haired, grey-headed, grizzly
Definition: showing characteristics of age, especially having grey or white hair
Usage: whose beard with age is hoar-Coleridge; nodded his hoary head