This is the 2808th most frequent Spanish word.
parlamentaria
"Parlamentaria" means "parliamentary" or "related to a parliament."
The word 'parlamentaria' here is an adjective modifying 'reunión', describing the type of meeting.
La reunión parlamentaria discutirá las nuevas políticas económicas.
The parliamentary meeting will discuss the new economic policies.
Here, 'parlamentaria' is a noun referring to a female member of the parliament.
La parlamentaria expresó su preocupación por el medio ambiente.
The parliamentarian expressed her concern about the environment.
In this case, 'parlamentarios' is a plural form of the adjective 'parlamentario', modifying 'debates' to describe the nature of them.