alarum
NounWordNet 3.0
Noun (1)
- an automatic signal (usually a sound) warning of dangerSynonyms: alarmalertwarning signal
Webster's Dictionary (GCIDE)
Alarum \A*lar"um\ (?; 277), n. [OE. alarom, the same word as alarm, n.] See Alarm. [Now Poetic] [1913 Webster]
Note: The variant form alarum is now commonly restricted to an alarm signal or the mechanism to sound an alarm (as in an alarm clock.) [1913 Webster]