Main entry: bone marrow, marrow
Definition: the fatty network of connective tissue that fills the cavities of bones
Main entry: gist, heart, heart and soul, nub, nitty-gritty, essence, core, centre, center, pith, meat, inwardness, kernel, marrow, substance, sum
Definition: the choicest or most essential or most vital part of some idea or experience
Usage: the gist of the prosecutor's argument; the heart and soul of the Republican Party; the nub of the story
Main entry: vegetable marrow, marrow
Definition: large elongated squash with creamy to deep green skins
Main entry: marrow, bone marrow
Definition: very tender and very nutritious tissue from marrowbones
Main entry: vegetable marrow, marrow, marrow squash
Definition: any of various squash plants grown for their elongated fruit with smooth dark green skin and whitish flesh