marrow meaning and definition

MARROW noun

Definition of marrow (noun)

1. the fatty network of connective tissue that fills the cavities of bones
   • synonyms: bone marrow
2. any of various squash plants grown for their elongated fruit with smooth dark green skin and whitish flesh
   • synonyms: marrow squash, vegetable marrow
3. very tender and very nutritious tissue from marrowbones
   • synonyms: bone marrow
4. large elongated squash with creamy to deep green skins
   • synonyms: vegetable marrow
5. 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"
   • synonyms: center, centre, core, essence, gist, heart, heart and soul, inwardness, kernel, meat, nitty-gritty, nub, pith, substance, sum