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.
A tu regreso was created in 1988.
De regreso was created in 1987.
El Regreso was created in 2005.
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