Flash light? (6)
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">flash light?</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 strobe that I've seen before include "High-intensity flashing beam of light" , "Sorbet (anag) -flashing light" , "Flashing disco light" , "Flashing-light device" , "Flashing lamp" .)