mar row


1 [mar-oh]
Anatomy. a soft, fatty, vascular tissue in the interior cavities of bones that is a major site of blood cell production.
the inmost or essential part: to pierce to the marrow of a problem.
strength or vitality: Fear took the marrow out of him.
rich and nutritious food.
Chiefly British, vegetable marrow.

before 900; Middle English mar(o)we, Old English mearg; cognate with Dutch merg, German Mark, Old Norse mergr

marrowish, adjective
marrowless, adjective
marrowy, adjective Unabridged


2 [mar-oh; Scot. mar-uh]
noun Scot. and North England.
a partner; fellow worker.
a spouse; helpmate.
a companion; close friend.

1400–50; late Middle English marwe fellow worker, partner, perhaps < Old Norse margr friendly, literally, many Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
marrow1 (ˈmærəʊ)
1.  the fatty network of connective tissue that fills the cavities of bones
2.  the vital part; essence
3.  vitality
4.  rich food
5.  (Brit) short for vegetable marrow
[Old English mærg; related to Old Frisian merg, Old Norse mergr]

marrow2 (ˈmærəʊ, -rə)
dialect chiefly (Northeast English), (Durham) a companion, esp a workmate
[C15 marwe fellow worker, perhaps of Scandinavian origin; compare Icelandic margr friendly]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

O.E. mearg "marrow," earlier mærh, from P.Gmc. *mazga- (cf. O.N. mergr, Du. merg, Ger. Marh "marrow"), from PIE *mozgho- "marrow, brains" (cf. Skt. majjan-, Avestan mazga- "marrow," O.C.S. mozgu, Lith. smagenes "brain"). Fig. sense of "inmost or central part" is attested from c.1400.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

marrow mar·row (mār'ō)

  1. bone marrow.

  2. The spinal cord.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
marrow   (mār'ō)  Pronunciation Key 
See bone marrow.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary

marrow definition

The soft, specialized connective tissue that fills the cavities of bones. One kind of bone marrow is responsible for manufacturing red blood cells in the body.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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