me·di·a¹ (mē'dē-ə)
n.
A plural of medium. See Usage Note at medium.


me·di·a² (mē'dē-ə)
n.

1. Linguistics. See medial (sense ).
2. The middle, often muscular layer of the wall of a blood vessel.

[Late Latin, from Latin, feminine of Latin medius, middle. See medium.]

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The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.

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