Joan of art (4)
I believe the answer is:
miro
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">joan of art</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for miro that I've seen before include "Catalan artist" , "He painted" , "Joan --, Spanish artist" , "Joan -, twentieth century Spanish surrealist painter" .)