Definition of Marrow

1. Noun. The fatty network of connective tissue that fills the cavities of bones.

Exact synonyms: Bone Marrow
Group relationships: Bone, Os, Immune System
Specialized synonyms: Red Bone Marrow, Red Marrow, Yellow Bone Marrow, Yellow Marrow
Generic synonyms: Connective Tissue

2. Noun. Any of various squash plants grown for their elongated fruit with smooth dark green skin and whitish flesh.

3. Noun. Very tender and very nutritious tissue from marrowbones.
Exact synonyms: Bone Marrow
Generic synonyms: Dainty, Delicacy, Goody, Kickshaw, Treat
Group relationships: Marrowbone

4. Noun. Large elongated squash with creamy to deep green skins.
Exact synonyms: Vegetable Marrow
Generic synonyms: Summer Squash
Group relationships: Marrow Squash, Vegetable Marrow

5. Noun. The choicest or most essential or most vital part of some idea or experience. "The nub of the story"

Definition of Marrow

1. n. The tissue which fills the cavities of most bones; the medulla. In the larger cavities it is commonly very fatty, but in the smaller cavities it is much less fatty, and red or reddish in color.

2. v. t. To fill with, or as with, marrow or fat; to glut.

Definition of Marrow

1. Noun. The substance inside bones which produces blood cells. ¹

2. Noun. A kind of vegetable like a large courgette/zucchini or squash. ¹

3. Noun. (context: Geordie informal) A friend, pal, buddy, mate. ¹

¹ Source:

Definition of Marrow

1. to marry [v -ED, -ING, -S] - See also: marry

Medical Definition of Marrow

1. 1. The tissue which fills the cavities of most bones; the medulla. In the larger cavities it is commonly very fatty, but in the smaller cavities it is much less fatty, and red or reddish in colour. 2. The essence; the best part. "It takes from our achievements . . . The pith and marrow of our attribute." (Shak) 3. [OE. Maru, maro; perh. A different word; cf. Gael. Maraon together] One of a pair; a match; a companion; an intimate associate. "Chopping and changing I can not commend, With thief or his marrow, for fear of ill end. " (Tusser) Marrow squash See Spinal cord, under Spinal. Origin: OE. Marou, mary, maruh, AS. Mearg, mearh; akin to OS. Marg, D. Merg, G. Mark, OHG. Marg, marag, Icel. Mergr, Sw. Merg, Dan. Marv, Skr. Majjan; cf. Skr. Majj to sink, L. Mergere. Cf. Merge. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Marrow

married woman
marron glacé
marrons glacés
marrow (current term)
marrow-lymph gland
marrow canal
marrow cell
marrow squash
marrowfat pea

Literary usage of Marrow

Below you will find example usage of this term as found in modern and/or classical literature:

1. Science by American Association for the Advancement of Science (1883)
"study postnatal histogenesis of marrow. Removal of marrow and injury to marrow in ... We implanted marrow into extra- medullary sites in order to study its ..."

2. Proceedings by Philadelphia County Medical Society (1896)
"Some of those who have objected to the use of bone-marrow on theoretic grounds have sought to explain its occasionally apparent usefulness by the statement ..."

3. A Text-book of histology by Frederick Randolph Bailey (1904)
"Bone marrow. Rone marrow is a soft tissue which occupies the medullary and ... marrow. Red marrow is found in all bones of embryos and of young animals, ..."

4. The Century Dictionary: An Encyclopedic Lexicon of the English Language by William Dwight Whitney (1890)
"The conjecture that marrow-bones, in the second sense, is a "corruption of ... Of the nature of or resembling marrow. In the upper region serving the ..."

5. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1894)
"354) finds that the changes most frequently observed in the bone-marrow in this disease may be said to be: 1, An increased number of nucleated red ..."

6. Anatomy, Descriptive and Applied by Henry Gray (1913)
"marrow.—The marrow not only fills up the cylindrical cavities in the bodies of the long ... In the bodies of the long bones the marrow is of a yellow color, ..."

7. Anatomy, descriptive and surgical by Henry Gray (1864)
"marrow. The medullary canal of adult long bones, the cavities of the cancellous tissue, and the larger Haversian canals, are filled with a substance called ..."

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