knocker

== English == === Etymology === From knock + -er. === Pronunciation === (non-rhotic) (Received Pronunciation) IPA(key): /ˈnɒk.ə/, [ˈnɒk.ə] (General Australian) IPA(key): /ˈnɔk.ə/, [ˈnɔk.ə] ~ [ˈnɔk.ɐ̝] (rhotic) (General American) IPA(key): /ˈnɑk.ɚ/, [ˈnɑk.ɚ] ~ [ˈnɑk.ɹ̩] Rhymes: -ɒkə(ɹ) Hyphenation: knock‧er === Noun === knocker (plural knockers) 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 person's breast, especially if large. (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. [18th to 19th c.] (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. (slang, Eastern African-American Vernacular) A gun. (slang, Eastern African-American Vernacular) An undercover policeman. ==== Synonyms ==== (a person's breasts): See also Thesaurus:breasts ==== Derived terms ==== ==== Translations ====