Webster's Revised Unabridged Dictionary · 1913

Migrate

Migrate , intransitive verb

[Latin migratus, past participle of migrare to migrate, transfer.]

1.
To remove from one country or region to another, with a view to residence; to change one's place of residence; to remove; as, the Moors who migrated from Africa into Spain; to migrate to the West.
2.
To pass periodically from one region or climate to another for feeding or breeding; -- said of certain birds, fishes, and quadrupeds.