E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Gaming ran high at Bath, and frequently led to disputes and resort to the sword, then generally carried by well-dressed men. Swords were therefore prohibited by Nash in the public rooms; still they were worn in the streets, when Nash, in consequence of a duel fought by torchlight by two notorious gamesters, made the rule absoluteThat no swords should on any account be worn in Bath.