grey-headed

from WordNet (r) 3.0 (2006)

grey-headed
    adj 1: showing characteristics of age, especially having grey or
           white hair; "whose beard with age is hoar"-Coleridge;
           "nodded his hoary head" [syn: {grey}, {gray}, {grey-
           haired}, {gray-haired}, {grey-headed}, {gray-headed},
           {grizzly}, {hoar}, {hoary}, {white-haired}]

from The Collaborative International Dictionary of English v.0.48

grey-headed \grey-headed\ adj.
   1. same as {gray-headed}.

   Syn: gray, grey, gray-haired, grey-haired, gray-headed, hoar,
        hoary.
        [WordNet 1.5 +PJC]