- a queue of traffic stretching back from an obstruction
WordReference Random House Unabridged Dictionary of American English © 2026
tail•back
(tāl′bak′),USA pronunciation n. [Football.]
- Sportthe offensive back who lines up farthest behind the line of scrimmage, as in a single wingback or double wingback formation.
- Sportthe position played by this back.
- tail1 + back1 1935–40
Collins Concise English Dictionary © HarperCollins Publishers::
tailback /ˈteɪlˌbæk/ n
'tailback' also found in these entries (note: many are not synonyms or translations):