Warning devices (6)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">warning devices</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for sirens that I've seen before include "Devices that warn with a loud wailing noise" , "Warning devices with loud wailing noise" , "Sea nymphs" , "Loud wailing warnings sounds" , "Alluring women" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">warning devices</span>' is the definition.<br/ ><span class="explanation-format__explanation">('alarm' can be a synonym of 'warning device')</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for alarms that I've seen before include "Warning signals" , "Fills with apprehension" , "Clocks that wake sleepers" , "Frightens, makes afraid" , "Disturbs" .)