South American ruminant (5)
I believe the answer is:
llama
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">south american ruminant</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 llama that I've seen before include "Domesticated pack animal of the Andes" , "one that ruminates" , "One bearing burden" , "S.American animal" , "Andean camelid" .)