alarm clock


noun

a clock with a bell or buzzer that can be set to sound at a particular time, as to awaken someone.

Nearby words

  1. alar cartilage,
  2. alar spine,
  3. alarcón,
  4. alaric,
  5. alarm,
  6. alarm reaction,
  7. alarmed,
  8. alarming,
  9. alarmingly,
  10. alarmist

Origin of alarm clock

First recorded in 1690–1700

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for alarm clock


British Dictionary definitions for alarm clock

alarm clock

noun

a clock with a mechanism that sounds at a set time: used esp for waking a person up
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012