This is the 10516th most frequent Polish word.
defiladzie
"Defiladzie" refers to a parade or procession.
In this sentence, 'defiladzie' is used in the locative case to describe the specific parade in which the participation occurred.
Wzięliśmy udział w defiladzie wojskowej na placu.
We participated in the military parade on the square.
Here, 'defiladzie' is again in the locative case, related to the action happening during this specific parade.
Podczas defiladzie dzieci machały flagami polskimi.
During the parade, children were waving Polish flags.
In this sentence, 'defiladzie' identifies the event (the parade) to which the accompanying event (fireworks display) was related.