alarm clock
noun /əˈlɑːm klɒk/
/əˈlɑːrm klɑːk/
- enlarge imagea clock that you can set to ring a bell, etc. at a particular time and wake you up
- I set the alarm clock for 7 o'clock.
Extra Examples- I've set my alarm clock for six tomorrow.
- My alarm clock didn't go off this morning.