Pronunciation: (mar'ō),[key] —n. 1. Anat.a soft, fatty, vascular tissue in the interior cavities of bones that is a major site of blood cell production.
2. the inmost or essential part: to pierce to the marrow of a problem. 3. strength or vitality: Fear took the marrow out of him. 4. rich and nutritious food.
5. Chiefly Brit.See vegetable marrow.
Pronunciation: (mar'ō; Scot.mar'u),[key] —n.Scot. and North Eng. 1. a partner; fellow worker.
2. a spouse; helpmate.
3. a companion; close friend.