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median
median lethal dose
median plane
median strip
mediant
mediastinum
mediate
mediatize
mediator
medic (1)
medic (2)
Medicaid
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mediator

me·di·a·tor [ mdee àytər ] (plural me·di·a·tors)


noun 
Definition:
 
1. somebody helping end dispute: somebody who works with both sides in a dispute in an attempt to help them to reach an agreement

2. substance acting as medium: a substance that acts as a medium in transferring something from one place to another in the body

[14th century. Directly or via French< ecclesiastical Latin< late Latin mediare (see mediate)]
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