ಅರ್ಥ : A warning to take action concerning something that was overlooked or neglected.
ಉದಾಹರಣೆ :
The bombing was a wake-up call to strengthen domestic security.
ಅರ್ಥ : A telephone call that you request be made a specific time in order to wake you up at that time (especially in hotels).
ಉದಾಹರಣೆ :
She left a wake-up call for 7 a.m..