See also: Black Cat
- Used other than as an idiom: see black, cat.
- A fisher, North American marten that has thick brown fur (Martes pennanti).
Martes pennanti — see fisher
- (nautical slang) To do better than another in some respect. To one up.
- From a web page archived by Britain's National Archives: The team name derives from the Lynx wildcat of 702 Naval Air Squadron’s badge and also the naval slang of “Black Catting” which implies having done or owned something better than anyone else.