E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Greybeard (A).
An earthen pot for holding spirits; a large stone jar. Also an old man. (cf. BELLARMINE.)
1
We will give a cup of distilled waters . . unto the next pilgrim that comes over; and ye may keep for the purpose the grunds of the last greybeard.Sir W. Scott: The Monastery, chap. ix.