Tenth of a dollar (4)
I believe the answer is:
dime
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">tenth of a dollar</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for dime that I've seen before include "US ten cent piece" , "Something round and silvery" , "Two nickels" , "US ten-cent coin" , "US ten cent coin" .)