traction

Short definition from Wiktionary

Noun

1. 1
   The act of pulling something along a surface using motive power.
2. 2
   The condition of being so pulled.
3. 3
   Grip.
4. 4
   The pulling power of an engine or animal.
5. 5
   The adhesive friction of a wheel etc on a surface.
6. 6
   Progress in or momentum toward achieving a goal, especially in gaining support, recognition, or popularity: The extent of adoption of a new product or service, typically measured in number of customers or level of revenue achieved.
7. 7
   Progress in or momentum toward achieving a goal, especially in gaining support, recognition, or popularity: Popular support.
8. 8
   Progress in or momentum toward achieving a goal, especially in gaining support, recognition, or popularity: Scholarly interest and research.
9. 9
   A mechanically applied sustained pull, especially to a limb.
10. 10
    Collectively, the locomotives of a railroad, especially electric locomotives.

Verb

1. 1
   To apply a sustained pull to (a limb, etc.).