Weapon; association (4)
I believe the answer is:
club
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">weapon</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(weapon for hitting people with)</span><br/ ><br/ >'<span class="explanation-format__original">association</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that club is a type of association)</span><br/ ><br/ ></span>
(Other definitions for club that I've seen before include "Bat - society" , "woman expects to be in" , "beat" , "'Short stick, card suit and association (4)'" , "Stout stick, card suit and association" .)