This is the 9514th most frequent Polish word.
william
The Polish word "william" does not have a distinct meaning; it is typically a proper noun referring to the name "William."
Here, the word 'William' is used as a proper noun, referring to a person's name.
William jest moim najlepszym przyjacielem.
William is my best friend.
In this sentence, 'William' is part of a name mentioning a famous painter, William Turner.
Widziałem obraz Williama Turnera w muzeum.
I saw a painting by William Turner at the museum.
Here, 'William' is used in the possessive form to indicate ownership of the books being discussed.