Coup de grace (k(?)(?)" de gr(?)s") [F.], the stroke of mercy with which an executioner ends by death the sufferings of the condemned; hence, a decisive, finishing stroke. -- Coup de main (k(?)(?)` de m(?)n`) [F.] (Mil.), a sudden and unexpected movement or attack. -- Coup de soleil (k(?)(?)` d s(?)-l(?)l or -l(?)"y') [F.] (Med.), a sunstroke. See Sunstroke. -- Coup d'état (k(?)(?)" d(?)-t(?)") [F.] (Politics), a sudden, decisive exercise of power whereby the existing government is subverted without the consent of the people; an unexpected measure of state, more or less violent; a stroke of policy. -- Coup d'œil (k***oomac]` dl"). [F.] (a) A single view; a rapid glance of the eye; a comprehensive view of a scene; as much as can be seen at one view. (b) The general effect of a picture. (c) (Mil.) The faculty or the act of comprehending at a glance the weakness or strength of a military position, of a certain arrangement of troops, the most advantageous position for a battlefield, etc.

While the coup was primarily, and usually, a blow with something held in the hand, other acts in warfare which involved great danger to him who performed them were also reckoned coups by some tribes. G. B. Grinnell.

Among the Blackfeet the capture of a shield, bow, gun, war bonnet, war shirt, or medicine pipe was deemed a coup. G. B. Grinnell.

Woe to the Sioux if the Northern Cheyennes get a chance to coup ! F. Remington.