felidae(n = noun.animal) family felidae - cats; wildcats; lions; leopards; cheetahs; saber-toothed tigers;
is a kind of mammal family
is a member of carnivora, order carnivora
a natural family of lithe-bodied round-headed fissiped mammals, including the cats; wildcats; lions; leopards; cheetahs; and saber-toothed tigers. [WordNet 1.5]