What does お父さん mean?
お父さん is a Japanese noun meaning “father (formal)” in English. It can also be translated as “husband, you (of an elderly person older than the speaker)” depending on context. It is written as お父さん in kanji, おとうさん in hiragana, and otousan in romaji. This word is part of JLPT N5 vocabulary.
Example sentence
お父さんは煙草の煙でたくさん輪を作れる。
Dad can blow many smoke rings.