Wikipedia
Jump turn
A jump turn is a skiing technique used in steep, narrow areas - such as a couloir - that do not permit a full parallel or carving turn. Jump turns involve pole planting followed by a quick hop that reverses the skiers' direction.
Usage examples of "jump turn".
He jumped from the car sideways onto the hard wind-board, made a jump turn and crouching and trailing his sticks slipped in a rush down the slope.
The black kid with Walter still aboard did a jump turn in the air that should have won him a prize.
On the soft snow he did a jump turn and with his skis parallel to the slope, rode the snow as it spilled down as though he were surf-riding.