rouleau

Meanings

1. 1
   noun

   a small roll, especially a roll of coins wrapped in paper

   The cashier counted the silver into neat rouleaux before closing the safe.

2. 2
   noun

   a narrow roll or tube of fabric used as decorative trim, a loop, or a fastening

   The dressmaker formed a rouleau of silk to loop around each button.

Borrowed from French rouleau ("small roll, scroll"), derived from rouler ("to roll"). English retained both the French-derived plural rouleaux and the regular plural rouleaus, though rouleaux is especially common for rolls of coins and stacked red blood cells.

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