The Collaborative International Dictionary of English v.0.48:

Emigrate \Em"i*grate\, v. i. [imp. & p. p. Emigrated; p. pr. &
   vb. n. Emigrating.] [L. emigratus, p. p. of emigrare to
   remove, emigrate; e out + migrare to migrate. See Migrate.]
   To remove from one country or State to another, for the
   purpose of residence; to migrate from home.
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         Forced to emigrate in a body to America. --Macaulay.
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         They [the Huns] were emigrating from Tartary into
         Europe in the time of the Goths.         --J. H.
                                                  Newman.
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