latchkey

Meanings

1. A key, especially to an outside door.
2. Ellipsis of latchkey kid.
3. Ellipsis of latchkey program.

1. Equipped with a key; generally in the phrase latchkey kid.
2. Pertaining to unsupervised children in afterschool care contexts.

1. To open something by means of a latchkey.

1. Alternative letter-case form of latchkey; especially when referring to a latchkey program.

Etymology

From latch + key.