Marrow - Definition

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