An accompanying relative is the spouse or child (under the age
of 21) of the holder of an immigrant or nonimmigrant visa, who
is accompanying them to the U.S. Definition from Nolo’s Plain-
English Law Dictionary A family member of someone who immigrates
to the United States, who is legally allowed to immigrate at the
same time. Most people who receive some type of visa or green
card can also obtain green cards or similar visas for their
accompanying relatives -- that is, their spouses and unmarried
children under the age of 21. Definition provided by Nolo’s
Plain-English Law Dictionary. August 19, 2010, 5:10 pm