Cows and oxen (6)
I believe the answer is:
cattle
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">cows and oxen</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 cattle that I've seen before include "feature of 21/23 [NATIVITY SCENE]" , "Livestock, kine" , "Where it naturally lies (Latin)" , "Oxen, cows, bulls etc" , "Farm livestock" .)