sideline Antonyms

general orientation nerve center cornerstone meeting place bedrock viscera vertebra umbilicus trunnion omphalos nucleus nucleolus nubble nub nidus nexus navel nave nerve centre infielder central location central core rallying point hot spot ground zero forefront epicentre epicenter centre of attention Central Point center of attention HQ centre of gravity mecca highlight bench mark bellybutton middle metacenter locus cynosure core centrum centroid centrepiece centerpiece centre center cardiac capital