[noun] [U]There are strict limits on immigration (into the country).Immigration rules/officers would not allow us to take fruit into the country.After they've finished with you at immigration (control) (= the process of checking that you can be allowed to enter the country) you can go and get your luggage.
IMMIGRATION
Meaning of IMMIGRATION in English
Cambridge English vocab. Кембриджский английский словарь. 2012