a latchkey child

a latchkey child/kid

  (mainly American)
a child who is often in the house alone because both parents are at work My dad came home at seven in the evening and my mom only an hour earlier so I was a latchkey kid.
See also: child, latchkey
References in periodicals archive ?
The program schedules daily calls to an older person living alone, a person home alone after surgery, or a latchkey child.