perimeter Antonyms

middle rhizome trunnion umbilicus viscera waist bedrock fundamental principle building block meeting place crown jewel cornerstone radicle penetralia omphalos middlemost midland midship midst minimum nave navel nidus nub nubble nucleolus nerve center infielder home base center of attention Central Point centre of attention epicenter epicentre forefront ground zero rallying point showpiece central core central location HQ center of gravity midstream firebase bellybutton bench mark midsection midpoint fuselage highlight