coupe-gorge

from The Collaborative International Dictionary of English v.0.48

Coupe-gorge \Coupe`-gorge"\ (k[=oo]p`g[^o]rzh"), n. [F., cut
   throat.] (Mil.)
   Any position giving the enemy such advantage that the troops
   occupying it must either surrender or be cut to pieces.
   --Farrow.
   [1913 Webster]