Green’s Dictionary of Slang

raclan n.

[Rom. rakli, a girl]

(UK tramp) a married woman.

[UK]H. Brandon Dict. of the Flash or Cant Lang. 164/2: Raclan – a married woman.
[UK]G.M.W. Reynolds Mysteries of London III 66/1: He buzzed a bloak and a shakester of a yank and a skin. His jomen Mutton-Face Sal, with her moll sack queering a raclan, stalled.
[UK]‘Ducange Anglicus’ Vulgar Tongue.
[UK]Hotten Sl. Dict.