Search Result for "alarum": 
Wordnet 3.0

NOUN (1)

1. an automatic signal (usually a sound) warning of danger;
[syn: alarm, alert, warning signal, alarum]


The Collaborative International Dictionary of English v.0.48:

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]
WordNet (r) 3.0 (2006):

alarum n 1: an automatic signal (usually a sound) warning of danger [syn: alarm, alert, warning signal, alarum]