1000s (9)
I believe the answer is:
thousands
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">1000s</span>' is the definition.<br/ ><span class="explanation-format__explanation">('thousand' can be a synonym of '1000')</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for thousands that I've seen before include "1000s" , "a lot" , "Dan shouts out at many hundreds" , "large sum?" , "Crowds" .)