pot roast means: Braising beef is a similar method to cooking meat, however it’s done on the top of the stove. (in Cooking Dictionary)

What else does pot roast mean?

Large piece of beef that has been quickly browned in oil and cooked on a covered plate. (in Cooking Dictionary)

A beef cut that has been browned, then cooked to tenderness in a covered pan. (in Merlin Dictionary)