Latchkey [noun]
Definition of Latchkey:
item that unlocks
Sentence/Example of Latchkey:
They went upstairs without using the lift, and he let her and himself in with his latchkey.
Could it be possible that some thief had stolen the latchkey from Knight, and used it when Mrs. Ellsworth's house was robbed?
It made her feel less to blame for her carelessness in the matter of that latchkey.
Still worse was the remembrance of Mrs. Ellsworth's latchkey, the keeping of which had been accidental at first.
The central figure, wearing pince-nez and waving a latchkey, is formidable rather than repellent.
She had a theory that the possession of a latchkey by their mistress makes servants slow to answer the door.
Having mislaid his latchkey, he had listened eagerly, anticipating the sound of Marie's feet flying down the hall.
Don't you worry about nothing; give her a latchkey, and don't wait up.
He had let himself in with his latchkey and had gone at once to the library.
He had taken his usual Sunday out and on returning home at midnight, as was his custom, he had let himself in with his latchkey.