subs. (political: obsolete).See quots.
1890. Standard, 3 March, 3, 4 [Mr. Labouchere loquitur]. Some time ago they invented a word for the Marquesss statements. They said, When you are telling a lie and want to tell it civilly, say you are telling a SALISBURY.
1890. Pall Mall Gazette, 1 March, 5, 1. Lord Salisburys evasion, which past experience, even without the facts, suggested was a SALISBURY. Ibid., 6, 1. The famous SALISBURY about the Secret-Treaty must henceforth be read cum grano salis-bury.