mi·grate / ˈmīˌgrāt/ • v. [intr.] (of an animal, typically a bird or fish) move from one region or habitat to another, esp. regularly according to the seasons: as autumn arrives, the birds migrate south. ∎ (of a person) move from one area or country to settle in another, esp. in search of work: rural populations have migrated to urban areas. ∎ move from one specific part of something to another: cells that can form pigment migrate beneath the skin. ∎ Comput. change or cause to change from using one system to another. ∎ [tr.] Comput. transfer (programs or hardware) from one system to another.DERIVATIVES: mi·gra·tion / mīˈgrāshən/ n.mi·gra·tion·al / mīˈgrāshənl/ adj.mi·gra·tor / -ˌgrātər/ n.mi·gra·to·ry / ˈmīgrəˌtôrē/ adj.