'Graybeard' definitions:

Definition of 'graybeard'

From: WordNet
noun
A man who is very old [syn: old man, greybeard, graybeard, Methuselah]

Definition of 'Graybeard'

From: GCIDE
  • Graybeard \Gray"beard`\, n. An old man. --Shak. [1913 Webster]

Definition of 'graybeard'

From: GCIDE
  • Bellarmine \Bel"lar*mine\, n. A stoneware jug of a pattern originated in the neighborhood of Cologne, Germany, in the 16th century. It has a bearded face or mask supposed to represent Cardinal Bellarmine, a leader in the Roman Catholic Counter Reformation, following the Reformation; -- called also graybeard, longbeard. [Webster 1913 Suppl.]

Synonyms of 'graybeard'

From: Moby Thesaurus