Definition of "knock"
- noun
An abrupt rapping sound, as from an impact of a hard object against wood.
An impact.
Criticism.
A batsman's innings.
Preignition, a type of abnormal combustion occurring in spark ignition engines caused by self-ignition or the characteristic knocking sound associated with it.
- verb
To rap one's knuckles against something, especially wood.
To bump or impact.
To denigrate, undervalue.
To pass, kick a ball towards another player.
- Sources