marrow
Marrow (noun) means the soft, fatty tissue inside bones that produces blood cells. Example: “Doctors took a sample of bone marrow to check for the disease.”
How to use marrow
Learner’s notesIn plain EnglishThe substance inside bones, a type of large squash-like vegetable, or figuratively, the core essence of something.
Word forms
- Plural
- marrows
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Doctors took a sample of bone _____ to check for the disease.
Etymology
From Old English "mearg," related to German "Mark" and ultimately to a very old Indo-European word also behind the Russian and Polish words for "brain."
Synonyms
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Rhymes for marrow
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