Lie in wait and attack (6)
I believe the answer is:
ambush
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">lie in wait and attack</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 ambush that I've seen before include "Wait in hiding to attack" , "An attack launched from hiding" , "Launch attack from cover" , "Egyptian cross" , "Waylaying" .)