Definition of "marrow" in English

noun

1. (uncountable) The substance inside bones which produces blood cells.

2. A kind of vegetable similar to a large courgette, zucchini or squash.

3. The pith of certain plants.

4. (figurative) The essence; the best part.

5. (figurative) The inner meaning or purpose.

6. (countable, medicine, colloquial) Bone marrow biopsy.

   • This patient will have a marrow today.
   • I was chilled to the marrow.

7. (uncountable, obsolete) Semen.

noun

1. (Geordie, informal) A friend, pal, buddy, mate.

   • Cheers marrow!

2. (mining, slang, obsolete) A miner's mate or assistant.

3. (Scotland or archaic) One of a pair; a match; a companion; an intimate associate.

   • The moon’s my constant Mistresse / & the lowlie owle my morrowe. / The flaming Drake and yͤ Nightcrowe make / mee musicke to my sorrowe.