Seventh month (4)
I believe the answer is:
july
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">seventh month</span>' is the definition.<br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for july that I've seen before include "The month of Julius Caesar" , "Summer month" , "several weeks" , "It follows 17" .)