What is marrow?

More definitions of "marrow":

• (noun): The fatty network of connective tissue that fills the cavities of bones.
  Synonyms: bone marrow

• (noun): Large elongated squash with creamy to deep green skins.
  Synonyms: vegetable marrow

• (noun): Any of various squash plants grown for their elongated fruit with smooth dark green skin and whitish flesh.
  Synonyms: marrow squash, vegetable marrow

• (noun): The choicest or most essential or most vital part of some idea or experience.
  Synonyms: kernel, substance, core, center, essence, gist, heart, heart and soul, inwardness, meat, nub, pith, sum, nitty-gritty

Famous quotes containing the word marrow:

“But the effort, the effort! And as the marrow is eaten out of a man’s bones and the soul out of his belly, contending with the strange rapacity of savage life, the lower stage of creation, he cannot make the effort any more.”
—D.H. (David Herbert)

“History is fond of her grandchildren, for it offers them the marrow of the bones, which the previous generation had hurt its hands in breaking.”
—Nikolai Gavrilovich Chernyshevsky (1828–1889)

“Death is someone you see very clearly with eyes in the center of your heart: eyes that see not by reacting to light, but by reacting to a kind of a chill from within the marrow of your own life.”
—Thomas Merton (1915–1968)