alarm clock · noun C /əˈlɑrm.klɑk/
alarm clock
A2 a clock that you can set to wake you up at a particular time with a loud noise
Dictionary examples:
My alarm clock went off at 5:00.
I've set the alarm clock for 7:30.
Learner example:
He gave me an alarm clock so I won't be late [for] school any more. (Key English Test; A2; Portuguese)
