Stab (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">stab</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that stab can be written as knife)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for knife that I've seen before include "Potential weapon" , "Sharp tool" , "Piece of cutlery" , "Cut" , "Attack" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">stab</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for pierce that I've seen before include "Thrust" , "Skewer; run through" , "Cavalry sword" , "Possibly drill" , "Puncture or penetrate" .)