greybeard

from WordNet (r) 3.0 (2006)

greybeard
    n 1: a man who is very old [syn: {old man}, {greybeard},
         {graybeard}, {Methuselah}]
    2: a stoneware drinking jug with a long neck; decorated with a
       caricature of Cardinal Bellarmine (17th century) [syn:
       {bellarmine}, {longbeard}, {long-beard}, {greybeard}]

from The Collaborative International Dictionary of English v.0.48

greybeard \grey"beard\ n.
   a man who is old.

   Syn: old man.
        [WordNet 1.5]