sharp rapping with the knuckles, a hard object, etc, esp to capture attention
They heard furious knocking coming from downstairs.
There was a loud knocking.
They were wakened by a loud knocking at the door.
2.
the sound that an engine or bearing makes as a result of wear or faulty combustion
There was a knocking coming from under the bonnet.
Examples of 'knocking' in a sentence
knocking
Running blind, his body brushed a garbage can, knocking it aside, the sound overly loud in the restricted passage.
Terman, Douglas CORMORANT (2002)
We left the house with Kate knocking the light switches off with her elbow.
Robert Wilson INSTRUMENTS OF DARKNESS (2002)
All related terms of 'knocking'
knock
If you knock on something such as a door or window , you hit it, usually several times, to attract someone's attention.
pinking
to give a blow or push to; strike
knocking copy
advertising or publicity material designed to denigrate a competing product
knocking-shop
a house or other place where men pay to have sexual intercourse with prostitutes
knocking-off time
the time when you finish work
knock up
If you knock something up , you make it or build it very quickly, using whatever materials are available .
knock back
If you knock back a drink, especially an alcoholic one, you drink it quickly, and often in large amounts.
knock down
If someone is knocked down or is knocked over by a vehicle or its driver , they are hit by a car and fall to the ground, and are often injured or killed .
knock off
To knock off an amount from a price, time, or level means to reduce it by that amount.
knock out
To knock someone out means to cause them to become unconscious or to go to sleep .
knock about
to wander about aimlessly
knock around
If someone knocks you around or knocks you about , they hit or kick you several times.
be knocking at someone's door
to be likely to happen soon , or to be starting to happen
knock together
If you knock something together , you make it or build it very quickly, using whatever materials are available .
flow-on
resulting inevitably but indirectly from another event or circumstance
knock-on
If there is a knock-on effect , one action or event causes several other events to happen one after the other.
knockout
In boxing , a knockout is a situation in which a boxer wins the fight by making his or her opponent fall to the ground and be unable to stand up before the referee has counted to ten .