noun
(a) measurement of the space occupied by something; to measure the area of a room you must multiply the length by the width; the area of the ward is 250 square metres
(b) space occupied by something; there is a small area of affected tissue in the right lung; treat the infected area with antiseptic
bare area of the liver = large triangular part of the liver, not covered with peritoneum
visual area = part of the cerebral cortex which is concerned with sight