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Word: knock (lookup usage) (lookup stats)


Meaning:

Noun:

  • An abrupt rapping sound, as from an impact of a hard object against wood
  • An impact.
  • automotive A type of abnormal combustion occurring in spark ignition engines. Normally a flame front advances progressively out from the spark, but when knock occurs unburnt air/fuel ahead of the flame self-ignites under the heat and pressure, producing a characteristic knocking sound and a sudden further increase in pressure which can be very damaging to the engine.
  • cricket a batsman's innings.

Source: Wiktionary | Src Info »

Verb:

  • colloquial To denigrate, undervalue.
  • To bump or impact.
  • To rap one's knuckles against something, especially wood.

Source: Wiktionary | Src Info »