IRCC

Noun

immigration (countable and uncountable, plural immigrations)

1. The act of immigrating; the passing or coming into a country of which one is not native born for the purpose of permanent residence.
   • The Bohemians had come then, and after them the Poles. People said that old man Durham himself was responsible for these immigrations; he had sworn that he would fix the people of Packingtown so that they would never again call a strike on him, and so he had sent his agents into every city and...1905 April–October, Upton Sinclair, chapter VI, in The Jungle, New York, N.Y.: Doubleday, Page & Company, published 26 February 1906, →OCLC
2. The process of going through immigration checks at a border checkpoint.
   • It took ages to get through immigration last time.