#navel__umbilicu__bellybutton__omphalos__omphalus  scar where the umbilical cord was attached
  supertype:  point  the precise location of something; a spatially limited location; "she walked to a point where she could survey the whole street"
  part of:  abdomen__venter__stomach__belly  the region of the body of a vertebrate between the thorax and the pelvis
     part of:  torso__trunk__body  the body excluding the head and neck and limbs; "they moved their arms and legs and bodies"
        part of:  body__organic_structure__organicstructure__physical_structure  the entire physical structure of an organism (especially an animal or human being); "he felt as if his whole body were on fire"

No statement uses or specializes navel; click here to add one.