: toward the median line or plane of a body or part

Word History

First Known Use

1878, in the meaning defined above

Time Traveler
The first known use of mediad was in 1878

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Cite this Entry

“Mediad.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mediad. Accessed 9 Jul. 2026.

Medical Definition

mediad

adverb
: toward the median line or plane of a body or part
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