Definition of alarm clock in English:

alarm clock

Syllabification: a·larm clock

noun

A clock with a device that can be made to sound at the time set in advance, used to wake someone up.
More example sentences
  • The sudden unexpected sound of the alarm clock woke Meg up and caused her to fall off her bed.
  • One bird had the same rhythm and sound as my alarm clock and kept waking me up.
  • The next morning I woke up to my alarm clock, excited to see what my hair looked like.

More definitions of alarm clock

Definition of alarm clock in:

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Word of the day middlescent
Pronunciation: ˌmidlˈesənt
adjective
middle-aged, but still maintaining youthful interests and activities