Definition of tailback
1
: the offensive football back farthest from the line of scrimmage
2
British
: a line of vehicles caused by a traffic slowdown or stoppage
Test Your Vocabulary
Great Words for Scrabble
-
- Which of the following Q-without-U words means the number five in cards or dice?

Test your vocabulary with our 10-question quiz!
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share tailback
Time Traveler for tailback
The first known use of tailback was in 1930
See more words from the same year