American Shorthair
Correction:
Actually, there is an actual breed of cat called American Shorthair. It resembles the British Shorthair cat breed, but less stocky in build. The correct term for a mixed breed is "Domestic Shorthair/Domestic Longhair", often called "Moggy".
The cat with fleas is a host
There is no special term for an angry cat.
I do not think there is a special term for it. If the cat is spayed, then the cat will often be described as "a spayed cat".
Feline
My Muffy!
The pope had a cat at the beginning of his term. It's name was Chico.
The usual term is cat fight.
A cat skinner is a man who operates a bulldozer in the logging industry. The term "cat" comes from the brand name "caterpillar" the major heavy equipment manufacturer.
A cat
It can be term used for a cat, or a slang term for a women's vagina.
'Cat cables' is a shortened term for 'category cables', which encompasses various standardised cables for Ethernet networks like the Cat 6 cable, or the Cat 5, or the Cat 5e. The wiring around the cat cables is usually colour-coded for ease of use by users and engineers.
I believe the correct term for a pregnant or nursing cat is a 'queen'.