What does 叔母 mean?
叔母 is a Japanese noun meaning “aunt (younger than one's parent)” in English. It is written as 叔母 in kanji, おば in hiragana, and oba in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
その姪は彼女の叔母さんのように見えます。
The niece looks like her aunt.