Checkmate

n. [Fr. échec et mat, Ger. Schach-matt, from Per. shah mat, checkmate, literally the king is conquered or dead, from Ar. mâta, he died, is dead; because, when the king is made prisoner, the game is finished. See CHESS.]

1. The movement in the game of chess which stops all further moving, and ends the game.
2. A complete check, defeat, or overthrow; circumvention. Spenser.

[imp. & p. p. CHECKMATED; p. pr. & sb. n. CHECKMATING.]

1. (Chess.) To put in check, as the king of an adversary, so that he can neither move it, nor interpose any piece between it and the attacking piece, nor capture the latter. It puts a stop to all further moves, and gives the game to the player who makes it.
2. To arrest or defeat completely; to terminate. To checkmate and control my just demands. Ford.