Meaning of “dent” - Learner’s Dictionary

dent

noun [ C ] uk us /dent/
DAMAGE

a hollow area in a hard surface where it has been hit:

The car door had a dent in it.
REDUCTION

a reduction in something:

The cost of repairs made a serious dent in my savings.

(Definition of “dent noun” from the Cambridge Learner’s Dictionary © Cambridge University Press)