US Immigration

Glossary of Immigration Terms

It is important to familiarize yourself with the following immigration terms and abbreviations. These are common immigration terms used at USCIS offices, United States Embassies, and United States Consulates. You will also find these terms in immigration forms and other legal documents.

Our Glossary of Immigration Terms is organized in alphabetical order and divided into sections due to its extensive size. Use the menu below to locate the term you are looking for.

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Immigration Terms: M

Medical and Legal Parolee
See Parolee.

Medical Waiver
A medical waiver allows an immigration applicant to be allowed into, or stay in the United States even though he/ she has health conditions that makes them inadmissible.

Migrant
A migrant is an individual who departs his/her country to live in another country.

MSC
Formerly the "Missouri Service Center" but now called the "National Benefits Center" or NBC.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

► Click on the letters above for more U.S. Immigration Terms.