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Hock
HOCK [isbe]
HOCK - (`aqar, "to root out"): To hamstring, i.e. to render useless by cutting the tendons of the hock (in the King James Version and the English Revised Version "hough"). "In their selfwill they hocked an ox" (Gen 49:6, the King James Version "digged down a wall"), in their destructiveness maiming those which they could not carry off: See also Josh 11:6,9; 2 Sam 8:4.
Also see definition of "Hock" in Word Study