noun (n)

• the friction between a body and the surface on which it moves (as between an automobile tire and the road)(noun.phenomenon)

  Synonym:
  adhesive friction, grip
  

  source: wordnet30
• (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(noun.act)

  Example:
  His leg was in traction for several days.
  

  source: wordnet30
• The act of drawing, or the state of being drawn; as, the traction of a muscle.(noun)

  source: webster1913