Of Cancer or Capricorn (8)
I believe the answer is:
tropical
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">of cancer or capricorn</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for tropical that I've seen before include "Hot and humid type of weather" , "Middle-earth" , "Relating to hot and humid parts" , "it could be too hot" , "Of regions north and south of the Equator" .)