An undertaker, one who furnishes the necessary articles for funerals. See Carrion Hunter.
Definition taken from The 1811 Dictionary of the Vulgar Tongue, originally by Francis Grose.
Dear Joys * Death’s Head upon a Mop-stickNathan Bailey's 1736 Dictionary of canting and thieving slang
John S. Farmer's collection of canting songs and slang rhymes