call alarm

British

noun

1. an electronic device that sends an alarm signal, usually to a distant monitoring centre
2. ( as modifier )
  
  a call-alarm system

"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

Example Sentences

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Six types of vocalizations are readily distinguishable in the field: primary song, courtship song, distress call, alarm note, specialized male call note or zip, and the generalized call note or chee.

From Natural History of the Bell Vireo, Vireo bellii Audubon by Barlow, Jon C.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023