What does 伯父さん mean?
伯父さん is a Japanese noun meaning “uncle (polite form of address)” in English. It is written as 伯父さん in kanji, おじさん in hiragana, and ojisan in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
伯父から砂時計をもらった。
My uncle gave me an hourglass.