What does marrows mean?
Marrows are the soft, spongy tissues found inside bones. In medical and biological contexts, the term is associated with bone marrow, where blood cells are produced, and with the spinal marrow protected by the vertebral column. Marrows also have a powerful figurative meaning: the word can describe the essential or life-giving core of a person, creative work, or experience, suggesting something deep, nourishing, and difficult to dismiss. Expressions such as “to the marrow” emphasize this sense of completeness and emotional depth. The anatomical term is standard in British and American English, while the figurative use is especially common in formal and literary writing. Together, its physical and metaphorical meanings make marrow a word associated with what lies at the core.
noun (plural)The plural form of marrow: the soft, spongy tissue containing blood vessels and fat found within bones. In figurative use, marrows can refer to the essential or nourishing core of something.
- The soft, spongy tissue inside bones, containing blood vessels, fat, and blood-forming cells.
- The essential, nourishing, or life-giving core of something.
"The marrow is the soft tissue that fills the hollow interior of most bones."
"Doctors examine a sample of the patient's bone marrow to look for abnormalities."
"Music like that reaches the marrow and leaves the listener deeply moved."
The standard plural of marrow is marrows, though marrow is commonly used as a mass noun when referring to the tissue generally.
"The disease can affect the bone marrows throughout the body."
The word marrow evokes the deepest inner layer, which is why it is also a vivid metaphor for a person's essence, courage, or vitality.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does marrows come from?
The word comes from Old English mærg, referring to the soft tissue inside bones. It belongs to a Germanic word family that also includes related forms in other Germanic languages. The modern English sense developed from the anatomical term into broader figurative expressions about the essence, vitality, or deepest feelings of a person.
Related word forms
How marrows is actually used
In anatomical contexts, marrow is normally treated as a mass noun, although the plural marrows can be used when discussing the marrow of several bones. The figurative sense is literary and often implies something fundamental to a person, work, or experience.