This is the 5711th most frequent Spanish word.
rellena
"Rellena" means "filled" or "stuffed."
In this sentence, 'rellena' refers to the action of completing a form by adding information to empty fields.
Por favor, rellena este formulario con tus datos personales.
Please fill out this form with your personal information.
Here, 'rellenas' is used to describe something (empanadas) that has been filled with a certain stuffing.
Compré unas empanadas rellenas de carne y queso.
I bought some empanadas stuffed with meat and cheese.
In this context, 'rellena' represents the act of filling a physical space or hole with a material to cover it or fill it.