Large spider (9)

I believe the answer is:
tarantula
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">large spider</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 tarantula that I've seen before include "A large hairy tropical spider" , "web developer" , "Creepy-crawly" , "Leggy creature" , "Crawler" .)