Definitions of marrow:
- noun: the fatty network of connective tissue that fills the cavities of bones
- noun: large elongated squash with creamy to deep green skins
- noun: very tender and very nutritious tissue from marrowbones
- noun: any of various squash plants grown for their elongated fruit with smooth dark green skin and whitish flesh
- noun: the choicest or most essential or most vital part of some idea or experience
- name: A surname (rare: 1 in 100000 families; popularity rank in the U.S.: #7525)