Akademik

warning signal
noun
an automatic signal (usually a sound) warning of danger
Syn: ↑alarm, ↑alert, ↑alarum
Derivationally related forms: ↑alert (for: ↑alert)
Hypernyms: ↑signal, ↑signaling, ↑sign
Hyponyms:
torpedo, ↑air alert, ↑burglar alarm, ↑fire alarm, ↑foghorn, ↑fogsignal, ↑horn, ↑red flag, ↑siren, ↑tocsin, ↑alarm bell

Useful english dictionary. 2012.