Fear of open spaces (11)
I believe the answer is:
agoraphobia
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">fear of open spaces</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 agoraphobia that I've seen before include "Morbid fear of open spaces" , "Fear of being in public places" , "Fear of outdoors" , "Morbid fear of open places" .)