Ten hundred (8)
I believe the answer is:
thousand
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">ten hundred</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 thousand that I've seen before include "Cardinal" , "in MCC, but missing double century" , "Numeric value of kilo" , "One and three zeros" , "M or K" .)