run·back 
(rŭnbăk′)
(rŭnbăk′)n.
Football
Football
1. The act of returning a kickoff, punt, or intercepted forward pass.
2. The distance so covered.
- digit
- digital
- digital computer
- digitalin
- digitalis
- digitalization
- digitalize
- digitally
- digital object identifier
- digital rights management
- digital signature
- digital-to-analog converter
- digital watermark
- digitate
- digitated
- digitately
- digitation
- digitigrade
- digitization
- digitize
- digitizer
- dig it out
- digitoxin
- diglossia
- diglossic