Small business co-owner
I believe the answer is:
mom
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">small business co-owner</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 mom that I've seen before include "US mother, in short" , "A familiar American mother" , "'US mother, informally (3)'" .)