tailback: Meaning and Definition of
tail•back
Pronunciation: (tāl'bak"), [key]
— n. Football.
- the offensive back who lines up farthest behind the line of scrimmage, as in a single wingback or double wingback formation.
- the position played by this back.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.