Touchback
WordNet
noun
(1) (American football) a play in which the opposing team has kicked the football into your end zone
WiktionaryText
Noun
- The result of a play (usually a kickoff or punt) in which the ball passes out the back of the end zone or a team otherwise gains possession of the ball in their own end zone.
- The ball sailed into the end zone for a touchback and the Eagles had possession on the 20-yard line. http://www.philadelphiaeagles.com/gameday/postGameArchive.jsp?id=16746