marrow

Noun

• the choicest or most essential or most vital part of some idea or experience
  • the gist of the prosecutor's argument
    
  • the heart and soul of the Republican Party
    
  • the nub of the story
    

• large elongated squash with creamy to deep green skins

• very tender and very nutritious tissue from marrowbones

• any of various squash plants grown for their elongated fruit with smooth dark green skin and whitish flesh

• the fatty network of connective tissue that fills the cavities of bones

Related words

• Synonyms: 
  kernel , substance , core , center , centre , essence , gist , heart , heart and soul , inwardness , vegetable marrow , bone marrow , marrow squash