Two-legged creature (5)
I believe the answer is:
biped
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">two-legged creature</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for biped that I've seen before include "One walking on two feet" , "Two-legged animal" , "Eg man" , "Girl, say" , "Two-footed creature" .)