(n) :
An abrupt rapping sound, as from an impact of a hard object against wood.
(n) :
A sharp impact.
(v) :
(intransitive) To rap one's knuckles against something, especially wood.
(v) :
(transitive, dated) To strike for admittance; to rap upon, as a door.
(v) :
(transitive, colloquial, originally US) To criticize verbally; to denigrate; to undervalue.
(n) :
(automotive, uncountable) Preignition, a type of abnormal combustion occurring in spark ignition engines caused by self-ignition; also, the characteristic knocking sound associated with it.
(n) :
An abrupt rapping sound, as from an impact of a hard object against wood.
(n) :
A sharp impact.
(v) :
(intransitive) To rap one's knuckles against something, especially wood.
(v) :
(transitive, dated) To strike for admittance; to rap upon, as a door.
(v) :
(transitive, colloquial, originally US) To criticize verbally; to denigrate; to undervalue.
(n) :
(automotive, uncountable) Preignition, a type of abnormal combustion occurring in spark ignition engines caused by self-ignition; also, the characteristic knocking sound associated with it.