knocker

IPA: nˈɑkɝ

A device, usually hinged with a striking plate, used for knocking on a door.
A person who knocks.
A critic; one who disparages.
(informal, derogatory) A person who knocks (denigrates) something.
(slang, usually in the plural) A woman's breast.
(especially Cardigan, in South Wales, archaic) A dwarf, goblin, or sprite imagined to dwell in mines and to indicate the presence of ore by knocking.
(pinball) A mechanical device in a pinball table that produces a loud percussive noise.
(dated, slang) A person who is strikingly handsome or otherwise admirable; a stunner.
A large cockroach, especially Blaberus giganteus, of semitropical America, which is able to produce a loud knocking sound.
(geology) A large, boulder-shaped outcrop of bedrock in an otherwise low-lying landscape, chiefly associated with a mélange.
(slang) One who defaults on payment of a wager.
A surname.

Examples of "knocker" in Sentences

The knocker is a thing which is generally composed of brass or iron.
In England, one solution to this problem was to hire someone called a knocker-up.
(where it's poetically referred to as a knocker) -- that's another matter entirely.
Startled, I look up, and see that the knocker is a man who looked a bit like this guy.
At last he went, and I sat down to my chicken; but the knocker was at it again before I/[Page 258]/had eaten two mouthfuls!
Williams Wynn's door, not far from this house, I saw a gold knocker, which is said to be unscrewed every night lest it should be stolen.
I walked up to his front door, and knocked in a manner to denote with sufficient distinctiveness that the mood of the knocker was the imperative.
How do we support the Navy Captain, a ring knocker from the Naval Academy, who was deep selected for his first star two years ahead of his classmates.
Too weary to walk round the board and open the door, she called the knocker in, though Clovis had warned her that in Detroit it was a dangerous thing to do.