Crossword Genius

Acoustical instrument (5)

Ross

I believe the answer is:

siren

'acoustical instrument' is the definition.
(I've seen this in another clue)

This is all the clue.

(Other definitions for siren that I've seen before include "Warning signal generator" , "Alarm - fascinating woman" , "Rinse (anag) - sea nymph" , "Loud whistle or sailors' enchantress" , "Bewitching singer" .)

I've seen this clue in the Newsday.
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