to have lunch
Where are you going to go for lunch?
Entonces, averigua adónde fue a almorzar, y avísame.
Then find out where he went for lunch, and let me know.
— Tropa de Élite 2 (2010)
El señor Smith salió a almorzar.
Mr. Smith went out to lunch.
Go to lunch.
Mahavir Singh-ji, ¿quiere venir conmigo a almorzar?
Mahavir Singh-ji, would you like to come to lunch with me?
— Dangal (2016)
Tom invitó a Mary a salir a almorzar.
Tom invited Mary out to lunch.
He's already gone out for lunch.