Definition of rub rail
: a metal rail to protect against rubbing: such as
a
: a projecting steel or aluminum strip that protects a truck or bus body against damage by gliding contact
b
: a brass rail on a boat to take wear of the lines
Test Your Vocabulary
Challenging Words You Should Know
-
- Often used to describe “the march of time,” what does inexorable mean?

Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share rub rail
Time Traveler for rub rail
The first known use of rub rail was in 1939
See more words from the same year