The phrase "visa lottery" refers to a system where some countries randomly select individuals from a pool of applicants to give them a chance to obtain a visa and live in that country. Full definition
We explain the different types of immigrants, whether they're coming for family or to work, refugees, investors, or visa lottery winners. (lawyer-monthly.com)
Then, one day my mom won the lottery — the American visa lottery that is. (somtoseeks.com)
Consequently, Rep. Zoe Lofgren (D - CA) proposed an alternate version of the bill (Attracting the Best and Brightest Act; H.R. 6412), in which the diversity visa lottery program is retained, thereby increasing the total number of legal immigrants to the United States each year. (nationalpostdoc.org)