noun
star of fate; zodiac sign
An astrological term referring to the star or constellation believed to govern a person's destiny. Often used in fortune-telling contexts.
彼女は自分の宿星を調べて、今日の運勢を占った。
She checked her star of fate and told today's fortune.
宿星によって性格が決まるという考え方がある。
There is a belief that one's personality is determined by their zodiac sign.