1) Certain pest control worker 2) Fictional gangster 3) Player in horsy set wear 
[attire] Ratcatcher is informal attire worn when fox hunting and consists primarily of a tweed jacket with tan breeches. Other specific items of clothing, forming part of the `uniform,` might be prescribed by individual hunting clubs. It is possible that the term was derived from the attire which the `ratcatcher` or `terrier man` wore. He w...
the riding shirt worn under the hunt coat or jacket.
Informal hunting attire, correct for cubbing or weekday hunting
Informal hunting attire. Correct for cubhunting, guests or when ever specified by the fixture card.