v. in·ter·bred (-brĕd), in·ter·breed·ing, in·ter·breeds
1. To breed with individuals of another species, subspecies, or variety; crossbreed: dogs interbreeding with wolves.
2. To breed regularly with others of the same kind: a species as a group of individuals that interbreed.
To cause to interbreed.
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.