the friction between a body and the surface on which it moves (as between an automobile tire and the road)
(車のタイヤと道路の間のように)物体が動くときの表面との間の摩擦
traction
(orthopedics) the act of pulling on a bone or limb (as in a fracture) to relieve pressure or align parts in a special way during healing; "his leg was in traction for several days"