What does 伯母 mean?
伯母 is a Japanese noun meaning “(humble) aunt (older than one's parent)” in English. It is written as 伯母 in kanji, おば in hiragana, and oba in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
私の伯母は、無料ハワイ旅行に当たった。
My aunt won an all-expenses-paid tour of Hawaii.