A judge, who tells every prisoner his fortune, lot or doom. To go before the fortune teller, lambskin men, or conjuror; to be tried at an assize. See Lambskin Men.
Definition taken from The 1811 Dictionary of the Vulgar Tongue, originally by Francis Grose.
Fortune Hunters * FoulNathan Bailey's 1736 Dictionary of canting and thieving slang
John S. Farmer's collection of canting songs and slang rhymes