1. (从外国)移居;作为移民定居
If someone immigrates to a particular country, they come to live or work in that country, after leaving the country where they were born.

1. come into a new country and change residency

e.g. Many people immigrated at the beginning of the 20th century

2. introduce or send as immigrants

e.g. Britain immigrated many colonists to America

3. migrate to a new environment

e.g. only few plants can immigrate to the island