This is the 9431st most frequent Polish word.
wachowiak
"Wachowiak" is a Polish surname and does not have a separate definition beyond being a family name.
In this sentence, 'Wachowiak' is used as a surname, which is common in Polish naming conventions.
Wachowiak mieszka w Poznaniu.
Wachowiak lives in Poznan.
Here, 'Wachowiaka' is the accusative form of the surname 'Wachowiak', showing grammatical adjustment based on its role in the sentence.
Spotkałem dzisiaj pana Wachowiaka w sklepie.
I met Mr. Wachowiak in the store today.
The word 'Wachowiaków' is in the plural and genitive form, representing the family surname collectively.