Alligator pear (7)
I believe the answer is:
avocado
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">alligator pear</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for avocado that I've seen before include "Evergreen" , "Large-stoned pear-shaped fruit" , "A dark green pear with cramy flesh" , "Fruity type" , "Dull greenish colour" .)