Alarm(n.)
- Sudden surprise with fear or terror excited by apprehension of danger; in the military use, commonly, sudden apprehension of being attacked by surprise.
Alarm(n.)
- A mechanical contrivance for awaking persons from sleep, or rousing their attention; an alarum.
Alarm(v. t.)
- To call to arms for defense; to give notice to (any one) of approaching danger; to rouse to vigilance and action; to put on the alert.