Oz (5)
I believe the answer is:
ounce
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">oz</span>' is the definition.<br/ ><span class="explanation-format__explanation">(oz is the abbreviation for ounce)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for ounce that I've seen before include "16 for a pound" , "one of a number in the pound" , "Small amount (of old pound)" , "one of several in a pound" , "Snow-leopard" .)