QUICK ANSWER
"Emigra" is a form of "emigrar", an intransitive verb which is often translated as "to emigrate". "Migra" is a form of "migra", a noun which is often translated as "border patrol". Learn more about the difference between "emigra" and "migra" below.
emigrar(
eh
-
mee
-
grahr
)An intransitive verb is one that does not require a direct object (e.g., The man sneezed.).
a. to emigrate (to another country)
El 60% de las personas que han emigrado de Suecia son estudiantes universitarios.60% of the people who have emigrated from Sweden are university students.
b. to migrate (to another region)
En el siglo XX, muchos españoles emigraron del campo a la ciudad.Many Spaniards migrated from the country to the city in the 20th century.
a. to migrate (animal)
Los cisnes emigran rumbo al norte en primavera.The swans migrate north in spring.
la migra(
mee
-
grah
)A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
1. (slang) (immigration authorities) (Mexico)
A very informal word or phrase used by a particular group or community as a substitute for standard language (e.g., joint, john).
Regionalism used in Mexico
b. immigration police
Nadie quiere que lo atrape la migra.No one wants the immigration police to catch them.