marrow
/ˈmærəʊ/Definitions
1. noun
the soft, spongy tissue inside the bones of vertebrates, especially the long bones of the limbs and the spine, that produces blood cells.
“The doctor took a bone marrow sample to diagnose the patient’s illness.”
2. noun
a rich, concentrated extract or essence, especially of a meat or fish broth.
“The chef added a dash of marrow to the soup for extra flavor.”
3. noun
the central or most essential part of something.
“The marrow of the company’s success lay in its innovative marketing strategies.”
4. verb
to remove the marrow from a bone, typically to extract its nutritious or flavorful contents.
“The butcher marrows the bones to make a nutritious stock.”