marrow
mar-row
noun
The deepest or essential part of something; the very core.
"He felt the cold to his very marrow."
noun
Soft, fatty tissue inside bones, producing blood cells.
"A bone marrow donation can save a life."
noun
A large, green or yellow elongated squash, eaten as a cooked vegetable.
"My grandad grew a giant marrow for the show."
Thesaurus
Synonyms: vegetable marrow, marrow squash, bone marrow, meat, heart, center, heart and soul, inwardness, nitty-gritty, essence, nub, kernel