coup de main[ko̵̅o̅d man′]
coup de main definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a surprise attack or movement, as in war
Origin: French literally , stroke of hand
coup de main definition by American Heritage Dictionary
noun pl. coups de main
A sudden action undertaken to surprise an enemy.
Origin: French : coup, stroke, blow + de, of + main, hand.