Meaning of “lapse” - Learner’s Dictionary

lapse

noun [ C ] uk us /læps/
FAILURE

a period of time when something does not happen as it should:

a memory lapse
It is thought that the accident was caused by a lapse of concentration.
TIME

a period of time passing between two things happening:

a time lapse/a lapse of time
He turned up again after a lapse of two years.

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