Tentacled creature (7)
I believe the answer is:
octopus
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">tentacled creature</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 octopus that I've seen before include "fairground ride" , "Eight-armed mollusc" , "Tentacled, shell-less mollusc" , "large, influential organization" , "Scoot up (anag.)" .)