English version

alarm clock

From Longman Dictionary of Contemporary English
Related topics: Chronology
alarm clockaˈlarm clock noun [countable]  alarm_clock.jpg TMCa clock that makes a noise at a particular time to wake you up
Examples from the Corpus
alarm clockLutine Bell alarm clock by Wherle Decosphere light.A neighbour had made sure he was awake; there was no alarm clock at home.I rolled over, sat up, blinked, and glared at the alarm clock.The alarm clock overhead read 5.28, time for a quick cup of tea before his new shift began.Voice-control AB313 travel alarm clock showing world time zones, £21.95.To give you an idea what that means, 80 decibels is generated by a typical alarm clock.
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