This is the 5834th most frequent Japanese word.
ひばり
"ひばり" means "lark" (a type of songbird) in English.
In this sentence, ひばり (hibari) refers to a skylark, a type of bird known for its beautiful songs and its habit of flying high.
ひばりが空高く舞い上がった。
The skylark soared high into the sky.
Here, ひばり is part of the proper name 美空ひばり (Misora Hibari), referring to a famous and well-loved Japanese singer.
歌手の美空ひばりは多くの名曲を歌った。
The singer Misora Hibari performed many famous songs.
Once again, ひばり represents the skylark bird, emphasizing its pleasant and melodious voice.