noun alarm·er \ə-ˈlär-mər\

Definition of alarmer

  1. :  an occurrence (such as a building fire) that triggers a specified number of alarms —used in combination It took 21⁄2 hours to put out the fire, a four-alarmer that drew scores of firefighters from neighboring communities. — Ron Devlin, Morning Call (Allentown, Pennsylvania), 5 Oct. 2005

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First Known Use of alarmer


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a brief usually trivial fact

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