1. An organism, especially an animal, that moves from one region to another (as for breeding) or that has established itself in an area where it previously did not exist.
2. An itinerant worker who travels from one area to another in search of work.
3. A person who leaves one country to settle permanently in another; an immigrant.
[Latin migrāns, migrant-, present participle of migrāre, to migrate; see MIGRATE.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 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.