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medium of exchange
medium shot
medium wave
medlar
medley
medley relay
Medline
medroxyprogesterone acetate
medulla
medulla oblongata
medullary ray
medullary sheath
medullated
medulloblastoma
Medusa
medusa
meed
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medulla

me·dul·la [ mə dúllə ] (plural me·dul·las or me·dul·lae [ mə dú lee ])


noun 
Definition:
 
1. biology innermost structure: the innermost area of a part or organ of an animal or plant
the adrenal medulla

2. anatomy 
Same as  medulla oblongata


3. botany 
Same as  pithn (sense 2)


[14th century. < Latin, "pith"]

me·dul·lar adjective
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