from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun One of two or more words that have identical spellings but different meanings and pronunciations, such as row (a series of objects arranged in a line), pronounced (rō), and row (a fight), pronounced (rou).

from The Century Dictionary.

  • noun A word having a different sound and meaning from another, but the same spelling, as lead, conduct, and lead, a metal: distinguished from homonym in a narrow sense—that is, a word having the same sound as another, but not the same spelling.
  • noun A different name of the same thing; a name in one language precisely translating a name in another language; a linguistic synonym, having literally the same meaning as some other word of another language.

from the GNU version of the Collaborative International Dictionary of English.

  • noun That which is heteronymous; a thing having a different name or designation from some other thing; -- opposed to homonym.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun linguistics A word having the same spelling as another, but a different pronunciation and meaning.
  • noun literature A fictitious character created by an author for the purpose of writing in a different style.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun two words are heteronyms if they are spelled the same way but differ in pronunciation


from The American Heritage® Dictionary of the English Language, 4th Edition

[Back-formation from heteronymous.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

Coined around 1900, either from hetero- (“different”) + -onym (“name”) or from Ancient Greek ἑτερώνυμος (heterōnumos), or perhaps both.



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