| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
marrow1 (ˈmærəʊ) ![]() | |
| —n | |
| 1. | the fatty network of connective tissue that fills the cavities of bones |
| 2. | the vital part; essence |
| 3. | vitality |
| 4. | rich food |
| 5. | (Brit) short for vegetable marrow |
| [Old English mærg; related to Old Frisian merg, Old Norse mergr] | |
| 'marrowy1 | |
| —adj | |
| marrow (mār'ō) Pronunciation Key
See bone marrow. |
The soft, specialized connective tissue that fills the cavities of bones. One kind of bone marrow is responsible for manufacturing red blood cells in the body.