›[I]When an animal migrates, it travels to a different place, usually when the season changes: These animals migrate annually in search of food.In September, these birds migrate 2,000 miles south to a warmer climate.Animal (non-human) behaviour›[I]If people migrate, they travel in large numbers to a new place to live temporarily: Mexican farm workers migrate into the US each year to find work at harvest time.Changing homes and moving›[I]to move from one place to another: Trade is migrating from local shops to the larger out-of-town stores.Departingmigration
/maɪˈɡreɪ.ʃən/noun[C or U]C1There was a mass migration of poverty-struck farmers into the cities.→ Compareimmigration, emigration(emigrate)Animal (non-human) behaviourmigratory