knocking

== English == === Pronunciation === (General American) IPA(key): /ˈnɑkɪŋ/ (Received Pronunciation) IPA(key): /ˈnɒkɪŋ/ Rhymes: -ɒkɪŋ Hyphenation: knock‧ing === Verb === knocking present participle and gerund of knock === Noun === knocking (plural knockings) An act in which something is knocked on, or the sound thus produced (automotive) A repetitive ping, knock, or similar sound coming from an engine in which there are repeated uncontrolled explosions in the combustion chamber. ==== Translations ==== === Related terms ===