siren
siren is an interruptive free aerophone or sound generator.
Also recorded as fire siren; siren (device); siren (noisemaker); siren (alarm); alarm siren; siren alarm.
Overview
Loud noise-making device.
In detail
Its recorded use is alarm device.
It is associated with Scotland. The record gives 1799 as its date of establishment or first appearance.
Sources
Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.
reference work · Reputable secondary · Wikipedia
“Siren (alarm)”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q205234: siren
Consult the source