অর্থ : A slight convexity (as of the surface of a road).

অর্থ : A slope in the turn of a road or track. The outside is higher than the inside in order to reduce the effects of centrifugal force.

অর্থ : The alignment of the wheels of a motor vehicle closer together at the bottom than at the top.

অর্থ : Curve upward in the middle.