society > communication > indication > signalling > audible signalling > signalling with other sounding instruments > [noun] > hooter or siren
whew1869
hooter1878
siren1879
wave-siren1881
siren alarm1950
1950 G. B. ShawFarfetched Fablesii. 107 He is interrupted by a siren alarm, followed by an artillery salvo.
1976 Ld. HomeWay Wind Blows iv. 72 Some time in the early hours of the next morning there was a siren alarm, and we all trooped down to the basement of No. 10.