edging Antonyms

medulla oculus omphalos pith radicle rhizome smearing trunnion umbilicus vertebra viscera waist nucleus nucleolus metacenter middle midriff midship midst nave navel nexus nidus nub nubble bedrock building block center of attention Central Point centre of attention epicenter epicentre forefront ground zero hot spot rallying point showpiece central core HQ centre of gravity cornerstone nerve center nerve centre infielder bellybutton bench mark pillar box highlight mecca midfield