1. Relating to, situated in, or extending toward the middle; median.
2. Linguistics Being a sound, syllable, or letter occurring between the initial and final positions in a word or morpheme.
3. Mathematics Being or relating to an average or a mean.
4. Average; ordinary.
1. A voiced stop, such as (b), (d), or (g). Also called media2.
2. A sound, letter, or form of a letter that is neither initial nor final.
[Late Latin mediālis, from Latin medius, middle; see medhyo- in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.