1
a piece of equipment on a car, bicycle, etc., that makes a short loud sound that is used as a warning
Synonyms and related words
Signals and equipment used for warning people
alarm
alarm bell
the all clear
Synonyms and related words
Equipment and systems in cars and other road vehicles
1a
a piece of equipment in a factory that makes a long deep sound to tell people that work is starting or ending
Synonyms and related words
Areas and objects found in a factory
assembly line
canteen
capital goods