c. 1400, "a blow," from Old French coup, colp "a blow, strike" (12c.), from Medieval Latin colpus, from Vulgar Latin colapus, from Latin colaphus "a cuff, box on the ear," [..]

sudden overthrow of a government, usually by a small group of people within the government or military. Also called a coup d'etat.

lesion at the site of impact Cowdry A inclusion bodies eosinophilic nuclear inclusions surrounded by a clear halo in neurons or glial cells occurring in herpes simplex encephalitis Cowd [..]

coup d'etat: a sudden and decisive change of government illegally or by force a brilliant and notable success A coup d'état (plural: coups d'état)&mda [..]

also coup d’état; sudden, violent and illegal seizure of political power from a government. death squad

(n) a sudden and decisive change of government illegally or by force(n) a brilliant and notable success

  a blow to the head at the site of impact.     

one of a number of technical plays, most often used to refer to the "trump coup" in which a finesse in trumps is taken by leading a non-trump because one hand has no more trumps.

A coup can be defined, relating to the game of bridge, as a master stroke, the shortening of your trumps to enable picking up an onside Minor tenace in trumps without a card to lead for a finesse, or [..]

French for a round of Baccarat.

(1) any master stroke

This is the word for round in Baccarat.