verb: To come to rest, usually briefly, with one of one's knees on the ground.
verb: (American football, Canadian football) Of any player with the ball, to kneel and place the ball on the ground, thereby ending the play and indicating they do not intend to advance with the ball.
verb: To cease performing customary activities or duties and kneel on one knee, sometimes as a form of protest.
verb: Used other than figuratively or idiomatically: see take, knee.
