If it is being used as a verb, it means "I return". As a noun, it can mean "a return".
For example:
Regreso a mi casa. - I return to my house.
El viaje de regreso dura ocho horas. - The return trip (literally translated: the trip of return) lasts eight hours.
"Regreso" translates to "return" or "come back" in English.
"I am already returning."
"Por si acaso no regreso" translates to "just in case I don't come back" in English.
El Regreso was created in 2005.
De regreso was created in 1987.
A tu regreso was created in 1988.
Happy return to classes. (Welcome back to school)
Viaje sin regreso was created in 1946.
El Regreso - album - was created in 2005.
The duration of Viaje sin regreso is 1.42 hours.
De Regreso Al Pasado was created in 1987.
The cast of Regreso - 2003 includes: Sergio Albornoz Valeria Apuso