This is the 13529th most frequent Polish word.
pieczęci
"Pieczęci" means "seals" (as in stamps or official marks).
In this sentence, the word 'pieczęci' refers to a physical seal or stamp used to authenticate documents.
Urząd używa specjalnej pieczęci do oznaczania dokumentów.
The office uses a special seal for marking documents.
Here, 'pieczęć' denotes a royal emblem or stamp used to signify authority.
Na końcu listu była wyraźna pieczęć królewska.
At the end of the letter, there was a clear royal seal.
In this context, 'pieczęci' emphasizes the plural form, referring to seals as a group of items that require secure storage.