What does 舞う mean?
舞う is a Japanese verb meaning “to dance, to flutter about, to revolve” in English. It can also be translated as “to whirl (in the wind)” depending on context. It is written as 舞う in kanji, まう in hiragana, and mau in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
ヒラヒラと桜の花が舞っている。もうお花見の季節も終わりだな。
It looks like cherry blossom-viewing season is at an end. You can see the petals fluttering down.