[{"Bold_text": "noun", "List Items": ["Anatomy.a soft, fatty, vascular tissue in the interior cavities of bones that is a major site of blood cell production.", "the inmost or essential part:to pierce to the marrow of a problem.", "strength or vitality:Fear took the marrow out of him.", "rich and nutritious food.", "Chiefly British. vegetable marrow vegetable marrow."]}, {"Bold_text": "noun", "List Items": ["a partner; fellow worker.", "a spouse; helpmate.", "a companion; close friend."]}]