- latchkey child
- nouna school-age child who is home without adult supervision for part of the day (especially after school until a parent returns home from work)
* * *noun, pl ⋯ children [count]: a young child who is alone at home after school because the child's parents are working — called also latchkey kid
* * *a child who is at home alone after school because both parents are at work
Useful english dictionary. 2012.