More on Traitors' Gate from Infoplease:

• Traitors' Gate - Traitors' Gate opens from the Tower of London to the Thames, and was the gate by which persons ...
• Tower of London - Tower of London Tower of London, ancient fortress in London, England, just east of the City and on ...
• Dictionary of Phrase and Fable: T - Definitions, origins, and illustrative excerpts for words, phases, and literary allusions starting with "T"