Expectorated (4)
I believe the answer is:
spat
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">expectorated</span>' is the definition.<br/ ><span class="explanation-format__explanation">(spitting is a kind of expectorating)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for spat that I've seen before include "Pat's involved in squabble" , "Unimportant quarrel between Pats" , "Old leg wear - brief quarrel" , "Small altercations between Pats" , "Expectorated in slight quarrel" .)