noun (1)
mar·​row | \ ˈmer-(ˌ)ō How to pronounce marrow (audio) , ˈma-(ˌ)rō \

Definition of marrow

 (Entry 1 of 2)

b : the substance of the spinal cord
2a : the choicest of food
b : the seat of animal vigor
c : the inmost, best, or essential part : core personal liberty is the marrow of the American tradition— Clinton Rossiter
3 chiefly British : vegetable marrow
to the marrow
: very deeply : very much : completely and thoroughly I was wet and chilled to the marrow, till I felt more dead than alive.— Jack London


noun (2)

Definition of marrow (Entry 2 of 2)

chiefly Scotland
: one of a pair

Other Words from marrow

Noun (1)

marrowy \ ˈmer-​ə-​wē How to pronounce marrow (audio) , ˈma-​rə-​ \ adjective

First Known Use of marrow

Noun (1)

before the 12th century, in the meaning defined at sense 1a

Noun (2)

1516, in the meaning defined above

History and Etymology for marrow

Noun (1)

Middle English marowe, from Old English mearg; akin to Old High German marag marrow, Sanskrit majjan

Noun (2)

Middle English marwe, marrow

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Time Traveler for marrow

Time Traveler

The first known use of marrow was before the 12th century

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Cite this Entry

“Marrow.” Dictionary, Merriam-Webster, Accessed 9 May. 2021.

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More Definitions for marrow


mar·​row | \ ˈmer-ō How to pronounce marrow (audio) \

Kids Definition of marrow


mar·​row | \ ˈmar-(ˌ)ō, -ə(-w) How to pronounce marrow (audio) \

Medical Definition of marrow

2 : the substance of the spinal cord

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