Green’s Dictionary of Slang

see Whitechapel brougham under Whitechapel adj.

‘A Whore and a Rogue Married together’ (B.E.); a visit to a prostitute.

1660		Practical Part of Love 45: Such a match or a Westminster wedding ... in the City.
1673		M. Stevenson ‘The Quakers Wedding’ in Poems 79: We can marry of our own accord, Like Jack and Gill, but leaping cross a Sword; But against Parties coupled on this wise, Westminster Weddings will in Judgment Rise, That they should stumble, and pretend such light! They marry wrong, and call’t a Marriage Rite.
1697		J. Dunton Night-Walker Jan. 23: I enquired after a Noted Procurer in those parts, who does usually make such Westminster-Weddings.
1725		New Canting Dict.
1737, 1759, 1760, 1776		Bailey Universal Etym. Eng. Dict. [as cit. 1725].
1785, 1788, 1796		Grose Classical Dict. of the Vulgar Tongue.
1811		Lex. Balatronicum.
1823		Egan Grose’s Classical Dict. of the Vulgar Tongue.

to visit a brothel.

1617		F. Moryson Itinerary III 53: The Londiners pronounce woe to him that buyes a horse in Smythfield, that takes a servant in Pauls Church, that marries a wife out of Westminster.
1658		R. Flecknoe Enigmaticall Characters 47: That old saying of choosing a horse in Smithfield, and a serving-man in Pauls.
1699		N. Ward London Spy VI 140: She can show you how the Water-men shoot London-Bridge, or how the Lawyers go to Westminster.
1790		Grose Provincial Gloss. n.p.: Who goes to Westminster for a wife, to St Paul’s for a man or to Smithfield for a horse, may meet with a whore, a knave and a jade .

a wife unconstrained by monogamy.

1909

J. Ware Passing Eng. of the Victorian Era.