D defs.my
Entry 2 senses Webster, 1913

Emigration

/ĕmˌ-əg-rāsh'-ən/ · Em·i·gra·tion · IPA /ˌɛməɡrˈeɪʃən/
01 n. The act of emigrating; removal from one country or state to another, for the purpose of residence, as from Europe to America, or, in Americ…
  1. 1.
    The act of emigrating; removal from one country or state to another, for the purpose of residence, as from Europe to America, or, in America, from the Atlantic States to the Western.
  2. 2.
    A body emigrants; emigrants collectively; as, the German emigration.