AL'ARM, n.

1. Any sound, outcry or information intended to give notice of approaching danger as, to sound an alarm.

2. A summon to arms.

3. Sudden surprise with fear or terror; as, the fire or the enemy excited an alarm.

4. Terror; a sensation excited by an apprehension of danger, from whatever cause; as, we felt an alarm at the cry of fire.

5. In fencing, an appeal or challenge.