Panther is the local name given to a number of large members of the cat family, commonly referred to as "big cats". Often (but not always), the word "panther" is applied to a black-colored variation of a species of big cat. Here is a breakdown of locations that use the term "panther" and to what cat species it applies to:
Leopard (black-colored variation; used almost universally)
Puma The word panther as applied to pumas is most often used in the southeast United States as a reference to a rare subspecies of puma known as the Florida panther.
Panther is also a codename for the current major version of MacOS - 10.3.
