trac·tion (tr k sh n)n. 1. a. The act of drawing or pulling, especially the drawing of a vehicle or load over a surface by motor power. b. The condition of being drawn or pulled. 2. Pulling power, as of a draft animal or engine. 3. Adhesive friction, as of a wheel on a track or a tire on a road. 4. Medicine A sustained pull applied mechanically especially to the arm, leg, or neck so as to correct fractured or dislocated bones, overcome muscle spasms, or relieve pressure. [Medieval Latin tracti  , tractin-, from Latin tractus, past participle of trahere, to pull, draw.]trac tion·al adj. |
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