Akademik

warning device
noun
a device that signals the occurrence of some undesirable event
Syn: ↑alarm, ↑alarm system
Hypernyms: ↑device
Hyponyms:
automobile horn, ↑car horn, ↑motor horn, ↑horn, ↑hooter, ↑burglar alarm, ↑fire alarm, ↑smoke alarm, ↑siren

Useful english dictionary. 2012.