cerebral cortex, cerebral mantle, cortex, pallium - the layer of unmyelinated neurons (the gray matter) forming the cortex of the cerebrum

frontal area, frontal cortex - the cortex of the frontal lobe

frontal gyrus - any of the convolutions of the outer surface of the frontal lobe of the cerebrum

precentral gyrus - the convolution of the frontal lobe that is bounded in back by the central sulcus and that contains the motor area

lobe - (anatomy) a somewhat rounded subdivision of a bodily organ or part; "ear lobe"