Boat in "Jaws” (4)
I believe the answer is:
orca
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">boat in jaws</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 orca that I've seen before include "Predatory black and white toothed whale" , "Marine creature" , "grampus" , "Killer at sea" , "Danger for swimmers" .)