Optical illusion (6)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">optical illusion</span>' is the definition.<br/ ><span class="explanation-format__explanation">(mirage is a kind of optical illusion)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for mirage that I've seen before include "image, not what it seems" , "Hallucination caused by hot air" , "Deceptive image, in the desert say" , "Optical illusion, in a desert say" , "Illusory image" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">optical illusion</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 trick that I've seen before include "Deception - round of cards in bridge" , "Subterfuge" , "made with finesse, perhaps" , "Illusion; artifice" , "Deception or illusion" .)