Position seen on the Heisman Trophy

• The position of the offensive back on a football team who lines up farthest from the line of scrimmage
• NFL ball carrier, often
• Queue of traffic
• One going on the offense
• Offensive football position
• Long traffic queue

Wikipedia Word definitions in Wikipedia
Tailback can mean: A position in American football at the "tail" end of the offensive formation, typically a halfback A line of motor vehicles caught up in traffic congestion ; a traffic jam

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
noun EXAMPLES FROM CORPUS ▪ Both carriageways were closed for eight hours causing huge tailbacks. ▪ But flustered John's ordeal only ended when police went to investigate what was causing the two-mile tailback near Gateshead. ▪ Southbound there were tailbacks ...

WordNet Word definitions in WordNet
n. (football) the person who plays tailback the position of the offensive back on a football team who lines up farthest from the line of scrimmage