1(of an animal, typically a bird or fish) move from one region or habitat to another according to the seasons:as autumn arrives, the birds migrate south (of a person) move to a new area or country in order to find work or better living conditions:rural populations have migrated to urban areas
2move from one part of something to another:cells which can form pigment migrate beneath the skin (with reference to computer users) change or cause to change from one system to another: [no object]: customers are migrating from mainframes to client-server environments [with object]: save time by efficiently migrating data to secondary storage systems [with object] Computing transfer (programs or hardware) from one system to another: the system will allow users to migrate applications across environments
