1. plural of marrow; the soft fatty tissue inside bones
2. plural of marrow; large elongated green vegetables of the squash family
Usage: British
3. plural of marrow; the essential or most important parts of something
Usage: figurative

Examples

• The doctor explained that healthy marrows produce blood cells.
• Bone marrows contain stem cells that are vital for blood production.
• The gardener grew enormous marrows in his vegetable patch.
• She stuffed the marrows with rice and herbs for dinner.
• The book gets to the marrows of the complex issue.
• His words cut to the very marrows of the problem.