English Dictionary

fire alarm

noun

An electromechanical or electronic bell, klaxon, chime, horn, speaker, strobe light or other device which warns people in a building of a possible fire or other condition requiring evacuation.

The fire alarm went off in the middle of the night.

意味（1）

An electromechanical or electronic bell, klaxon, chime, horn, speaker, strobe light or other device which warns people in a building of a possible fire or other condition requiring evacuation.

意味（2）

The sound or other warning made by a fire alarm.

意味（3）

(firefighting) An emergency response to a fire by the fire department with manpower and equipment.

A four fire-alarm fire ripped through a row of 2.5 story frame dwellings during the early morning hours