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n. A warning or alarm, especially a call to arms: "This instrument called television can teach and illuminate, cautioned Edward R. Murrow, but only to the extent that its operators choose to use it.... An era later ... Murrow's alarum remains as up to date as tonight's news” ( Harry F. Waters).

n. A danger signal or warning.

n. A call to arms.

v. To sound alarums, to sound an alarm.

n. See alarm.

n. Same as alarm, but now used only in sense 4, except poetically.

Same as alarm.

n. an automatic signal (usually a sound) warning of danger

""The Signalman" by Charles Dickens (1866) This perfectly balanced, beautifully judged story both preys on both the anxiety provoked by the new technology of railways and deeply held beliefs that a ghost can be an alarum for events to follow."

sign    signaling    signal   

alarm   

alarm   

foghorn    siren    red flag    alarm bell    fogsignal    tocsin    horn    torpedo    fire alarm    air alert   

alarums and excursions   

alar   

abbreviata    sano    curfew    tocsin    other's    unit    received    fait    lata    answer