fortress, fort - a fortified defensive structure. merlon - a solid section between two crenels in a crenelated battlement. bulwark, rampart, wall - an embankment built around a space for defensive purposes; they stormed the ramparts of the city; they blew the trumpet and the walls came tumbling down.
Definition of OCCIPITAL BONE. : a compound bone that forms the posterior part of the skull and bears a condyle by which the skull articulates with the atlas.See occipital bone defined for kids.ADVERTISEMENT. a compound bone that forms the posterior part of the skull and bears a condyle by which the skull articulates with the atlas. See occipital bone defined for kids.
Occipital lobe (red) of left cerebral hemisphere. The two occipital lobes are the smallest of four paired lobes in the human cerebral cortex. Located in the rearmost portion of the skull, the occipital lobes are part of the forebrain. None of the cortical lobes are defined by any internal structural features, but rather by the bones of the head bone that overlie them.