ABEC: Refers to the degree of precision of a wheel bearing. The higher the number, the more precise the bearing and thus the smoother the turn of the wheel.


COPING: The top edge of the halfpipe, getting "above the coping" is considered "getting air." Standard tricks, such as slides and stalls, occur on the coping.


DROPPING IN: When a skater starts his halfpipe routine, he "drops in."


GRIND: A street skating maneuver, also known as a rail slide.


GRIND PLATE: Skate accessory that protects the chassis from wear and tear during grinds.


POWER SLIDE: Expert method of stopping whereby the skater turns around and sticks a leg out behind. It can also refer to any abrupt, sliding maneuver that drastically slows down the skater.


RAMP: Another term for a halfpipe.

ROCKERING: A wheel adjustment on the chassis that is usually used by trick skaters and hockey players. The two inner wheels are positioned slightly lower than the two outerwheels for increased maneuverability.

STALL: Pausing for a moment, mid-trick, on the lip of the halfpipe or on a rail.

T-STOP: Method of stopping or decelerating by dragging the wheels of one skate behind and perpendicular to the other skate.

VERT SKATING: Another way to say "skating in a halfpipe".