There are 2 main definitions of marrow in English:

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marrow 1

Line breaks: mar¦row
Pronunciation: /ˈmarəʊ/


1 (also vegetable marrow) British A long white-fleshed gourd with green skin, which is eaten as a vegetable.
Example sentences
  • Other specialist bags have been developed especially for salads and vegetables including even marrows and courgettes.
  • Lots of vegetables should be ready to harvest now including marrows, onions and sweetcorn.
  • Unripe fruits are cooked as a vegetable in the same way as marrows.
2The plant of the gourd family which produces marrows.
  • Cucurbita pepo, family Cucurbitaceae
Example sentences
  • I wouldn't mind if they had a little nibble now and then, but no, they've got to have the whole thing. 2 pumpkin plants, 3 lettuce seedlings and damage to my marrow plant.
3 (also bone marrow) [mass noun] A soft fatty substance in the cavities of bones, in which blood cells are produced: [as modifier]: marrow donors a bone marrow transplant
More example sentences
  • Stem cells have been isolated from the central nervous system, bone marrow, and blood of adults.
  • In general, magnetic resonance is excellent for imaging soft tissue and bone marrow.
  • During a transplant, healthy bone marrow will be fed into your blood stream.
4The essential part of something: such men were the marrow of the organization
More example sentences
  • I'll attempt to cull his posts down to the essential marrow and bring it to the attention of my own limited readership.
  • Also, my account cannot be complete, but it will contain most of the essential marrow of our many conversations.
  • I knew a profound new question challenged me: Is love the essential marrow of our humanness?
essence, core, nucleus, pith, kernel, heart, centre, soul, spirit, quintessence, gist, substance, sum and substance, meat, nub, stuff
informal nitty-gritty, nuts and bolts


to the marrow
To one’s innermost being: a sight which chilled me to the marrow
More example sentences
  • He turned, chilled to the marrow, which was, evidently, a nastily foreign feeling.
  • And then he was bursting through the main door, the chill late-afternoon wind throwing snowflakes against his sweat-streaked face and chilling him to the marrow.
  • And when you returned, wide-eyed with fright and chilled to the marrow, you were secretly amazed at your own survival.


Example sentences
  • "Thy bones are marrowless thy blood is cold!” The lords and their spouses depart the castle at speed; under the impression their new king is crazy.
  • Far indeed from being marrowless, this cookbook is an entertainingly spirited work full of recipes and suggestions tested by the author, as well as running comments and asides.
  • But, instead of standing there using vague generalities, it would be interesting if you would tell us what these old marrowless truths are, that we are nourished on.
Example sentences
  • A purebred straight to the marrowy core of his bones, Heinz uses his regal demeanor and prized heredity to set him on a pedestal overlooking the competition.
  • I was expecting much more of the latter, as the brown marrowy stuff had much more flavor than the white fatty stuff.
  • There is clear, sweet water in the middle of that marrowy substance which is very refreshing.


Old English mearg, mærg (in sense 3), of Germanic origin; related to Dutch merg and German Mark. sense 1 dates from the early 19th century.

Words that rhyme with marrow

arrow, barrow, farrow, harrow, Jarrow, narrow, sparrow, taro, tarot, Varro, yarrow
Definition of marrow in:
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There are 2 main definitions of marrow in English:

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marrow 2 Line breaks: mar¦row
Pronunciation: /ˈmarə/
(also marra, marrer)


Northern English & Scottish
1A friend, companion, or workmate (often used as a form of address): come here, marrer, we need to talk
More example sentences
  • While in the army most Geordies I met called their best friends their marrer.
  • Instead of saying friend or pal they would refer to their marra.
  • It is this sense of loyalty and brotherhood, found amongst miners the country over, that led to the tragic deaths of two brave men who would not give up their ‘marrer’ for lost.
2Something that forms a pair with something else; a counterpart or twin.
Example sentences
  • He is the very marrow of John Strathbourne as he was when we fought side by side.
  • Mind you, he was a smart man, my father. None his marrow when it came to making an old mare look as young and lifey as a two-year-old, tarring its grey hairs.


Late Middle English: probably from Old Norse margr 'many', also 'friendly, communicative'.

Definition of marrow in:
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