knocker
knock|er /n'ɒkər/ (knockers)
[N-COUNT]
A knocker is a piece of metal on the front door of a building, which you use to hit the door in order to attract the attention of the people inside.
see also knock
[N-COUNT]
A knocker is a piece of metal on the front door of a building, which you use to hit the door in order to attract the attention of the people inside.
see also knock