a tougher cut of meat that requires liquid and a long cooking time (several hours)
To cook meat slowly by moist heat in a covered pot. The meat is first browned, then braised either on top of the stove or in the oven. Pot roasting is good for tougher cuts of meat which require longer cooking times to break down connective tissue.
Pot roast is a braised beef dish. Pot roast is typically made by browning a roast-sized piece of beef (taken from the tougher chuck cut) to induce a Maillard reaction, then slow-cooking in an acidulated liquid in a covered dish.