to receive communion, to take communion, to agree with, to share
¿Vas a comulgar?
Are you going to receive Communion?
— Adiós, muchachos (1987)
Si has bebido agua, no puedes comulgar.
If you have drunk water, you cannot receive communion.
— Amarcord (1973)
Pus entonces comerse éste, es como comulgar, ¿no?
Well, eating this one is like taking communion, right?
— Nazarín (1959)
No comemos y nos morimos de frío, y encima hay que ayunar para comulgar.
We don't eat and we're freezing to death, and on top of that we have to fast to receive communion.