I thanked him and made a date to pick up the house key.

You may not want to give the person the house key, the car key, or money.

I warned him not to let on anything was up, took a house key, and waited in the room behind the desk.

He started to reach for her house key, but she stopped him with a look.

A house key is the most common sort of key.

Just remember to leave the house key under the mat.

We all watched this thing daily for weeks, but, lacking a house key, could not make it stop.

I said it looked fine and gave him the house key.

About £15 in cash had gone, but the ring was still inside, together with a bank card and an old house key.

Why should a man's house key not be in his pocket?