n.
    - Brit. a long white-fleshed gourd with thin green skin, eaten as a vegetable.
 - the plant of the gourd family which produces this. 
[Cucurbita pepo.]
 - 
(also bone marrow)
 a soft fatty substance in the cavities of bones, in which blood cells are produced.
 - the vital part:
 such men were the marrow of the organization.
 
 
  Phrase
  
    
      - to the marrow
 to one's innermost being. 
    
   
  Derivative
  
  Etymology
  OE mearg, mærg, of Gmc origin.