a key for drawing back or unfastening the latch of a door, esp. of an outer door, from the outside
designating, of, or having to do with a child or children who receive no supervision at home after school hours, because their parents are away working
Origin of latchkeyfrom the door key carried by such a child
A key for opening a latch or lock, especially one on an outside door.
- A key, especially to an outside door.
- A child who is given a key to the home and is expected to remain at home alone (without adult supervision until the parents return from work).
- Equipped with a key; generally in the phrase latchkey child.