immigration

from WordNet (r) 3.0 (2006)

immigration
    n 1: migration into a place (especially migration to a country
         of which you are not a native in order to settle there)
         [syn: {immigration}, {in-migration}]
    2: the body of immigrants arriving during a specified interval;
       "the increased immigration strengthened the colony"

from The Collaborative International Dictionary of English v.0.48

Immigration \Im"mi*gra"tion\, n. [Cf. F. immigration.]
   The act of immigrating; the passing or coming into a country
   for the purpose of permanent residence.
   [1913 Webster]

         The immigrations of the Arabians into Europe. --T.
                                                  Warton.
   [1913 Webster]

from Bouvier's Law Dictionary, Revised 6th Ed (1856)

IMMIGRATION. The removing into one place from another. It differs from 
emigration, which is the moving from one place into another. Vide 
Emigration.

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