Sirloin Steak is a beef steak cut from the lower portion of the ribs. Top sirloin is most prized, the bottom sirloin is less tender
Loin
Pot roast is typically obtained from the shoulder area of the cow. Other tough cuts such as chuck steak and boneless chuck roast also come from this area.
Ground chuck comes from the neck and shoulder area of the cow. It is known for having lots of fat, but even more flavor.
From the small end of the tenderloin (called the short loin) which is found on the back rib cage of the animal.
The tail, did you really need this confirmation?
No part. Chickens come from chickens, not cows.
Loin
The head
Angus beef does not come from any part of any cow, but comes from a BREED of cattle (or cows) called Angus.
http://ask.metafilter.com/27259/How-much-meat-is-there-on-a-cow
The part of the cow that fajita meat comes from is the plate. Traditionally, fajita meat is made from skirt steaks which is made from the plate of the cow.
The upper part of the cow.
They come from where you might think, the head of the cow on either side, attached to the cheekbones.
The hind quarter, in front of the round.
Tenderloins are from the loin area which is on the side of the back.
http://ask.metafilter.com/27259/How-much-meat-is-there-on-a-cow
The Chateaubriand cut of meat comes from a filet of the tenderloin of a cow. It is especially good when grilled medium rare.