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rou·leau | \ rü-ˈlō 
\
\ plural rouleaux\ rü-ˈlōz \
\Definition of rouleau
: a little roll especially : a roll of coins put up in paper
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rouleau
nounrou·leau | \ rü-ˈlō \
\ plural rouleaux\ -ˈlō(z) \ or rouleaus
\ or rouleausMedical Definition of rouleau
: a group of red blood corpuscles resembling a stack of coins
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Time Traveler for rouleau
The first known use of rouleau was circa 1691
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