Venomous spider (5,5)
I believe the answer is:
black widow
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">venomous spider</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for black widow that I've seen before include "American spider, the female of which eats her mate" , "venomous creature" , "Leggy creature" , "she's usually the bereaver" , "Poisonous spider" .)