noun
nursery school; day care center
A facility where preschool children are cared for while their parents work or are otherwise unable to look after them. In Japan, 保育所 is a legally defined institution under the Child Welfare Act.
彼女は保育所で働いています。
She works at a nursery school.
子どもを保育所に預ける
I leave my child at the day care center.