rou·​leau | \ rü-ˈlō How to pronounce rouleau (audio) \
plural rouleaux\ rü-​ˈlōz How to pronounce rouleaux (audio) \

Definition of rouleau

: a little roll especially : a roll of coins put up in paper

Examples of rouleau in a Sentence

Recent Examples on the Web Kate's dress also featured 58 gazar and organza covered buttons on the back, which were fastened by rouleau loops. Maggie Maloney, Town & Country, "8 Surprising Things You Might Not Know About Kate Middleton's Wedding Dress," 15 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'rouleau.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of rouleau

circa 1691, in the meaning defined above

History and Etymology for rouleau


Keep scrolling for more

Learn More about rouleau

Time Traveler for rouleau

Time Traveler

The first known use of rouleau was circa 1691

See more words from the same year

Statistics for rouleau

Cite this Entry

“Rouleau.” The Dictionary, Merriam-Webster Inc., Accessed 8 December 2019.

Keep scrolling for more

More Definitions for rouleau


rou·​leau | \ rü-ˈlō How to pronounce rouleau (audio) \
plural rouleaux\ -​ˈlō(z) How to pronounce rouleaux (audio) \ or rouleaus

Medical Definition of rouleau

: a group of red blood corpuscles resembling a stack of coins

More from Merriam-Webster on rouleau

Rhyming Dictionary: Words that rhyme with rouleau

Comments on rouleau

What made you want to look up rouleau? Please tell us where you read or heard it (including the quote, if possible).


to constrict the range or activity of

Get Word of the Day daily email!

Test Your Vocabulary

Semantic Drift Quiz

  • a twisty river
  • Which of the following was once a synonym for fun?
Spell It

Can you spell these 10 commonly misspelled words?

Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!