'doorknocker' definitions:

Definition of 'doorknocker'

From: WordNet
noun
A device (usually metal and ornamental) attached by a hinge to a door [syn: knocker, doorknocker, rapper]

Definition of 'doorknocker'

From: GCIDE
  • doorknocker \doorknocker\ n. a device (usually metal and ornamental) attached by a hinge to a door, which may be swung by hand against the door to make a loud knocking sound.
  • Syn: knocker. [WordNet 1.5]