perimeter Antonyms

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