leaning back (9)
I believe the answer is:
reclining
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">leaning back</span>' is the definition.<br/ ><span class="explanation-format__explanation">('recline' can be a synonym of 'lean back')</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for reclining that I've seen before include "Leaning back" , "Lying back" , "In a chair, perhaps" .)