Literally 'broom star'; a common Japanese word for comet, often used in everyday contexts and children's literature.
See also: 彗星
I saw a comet in the night sky.
The comet has a long tail.
Commonly used kanji-kana mixed spelling.
Full kanji spelling using 箒 (broom).
Rarely used kanji form with 帚 (broom).
Compound of ほうき (broom) and 星 (star), from the comet's broom-like tail.