This is the 17805th most frequent Polish word.
zwolanej
"Zwołanej" means "convened" or "called together."
In this sentence, 'zwolanej' is used as a past participle to describe that an action (calling the meeting) has occurred.
Spotkanie zostało zwolane na dzisiaj.
The meeting was called for today.
Here, 'zwolanej' is used as a participle describing the student who was summoned.
Zwolanej uczennicy udzielono wyjaśnienia.
The summoned student was given an explanation.
In this case, 'zwolanej' functions as an attribute for the noun 'meeting,' indicating that it has been convened.