WordWeb Online

1. Move from one country or region to another and settle there
   "Many Germans migrated to South America in the mid-19th century";
   - transmigrate
    
2. Move periodically or seasonally
   "birds migrate in the winter"; "The workers migrate to where the crops need harvesting"
    
3. (computing) change from one computing system to another

Derived forms: migrating, migrates, migrated

Type of: move, up sticks [Brit, informal]

Encyclopedia: Migrate