In the main, as a rule (9)
I believe the answer is:
generally
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">in the main</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >'<span class="explanation-format__original">as a rule</span>' is the second definition.<br/ ><span class="explanation-format__explanation">('as a rule' means generally or typically)</span><br/ ><br/ ></span>
(Other definitions for generally that I've seen before include "In most cases, usually" , "Usually, as a rule" , "most of the time" , "as usual" , "For the most part" .)