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roughie
roughly
roughneck
roughrider
roughshod
rouille
roulade
rouleau
roulette
round (1)
round (2)
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roulette

rou·lette [ roo lét ]


noun  (plural rou·lettes)
Definition:
 
1. gambling game with wheel: a game in which a ball is rolled onto a spinning horizontal wheel divided into compartments, with players betting on which compartment the ball will come to rest in ( often used before a noun )

2. tool with toothed wheel: a tool with a toothed wheel used for making dots, e.g. in engraving, or for making perforations in paper, e.g. on a sheet of postage stamps

3. slits cut in paper: a line of slits or perforations made by a cutting tool on a sheet of paper



transitive verb  (past and past participle rou·lett·ed, present participle rou·lett·ing, 3rd person present singular rou·lettes)
Definition:
 
mark something with dots or perforations: to use a roulette to mark a surface with a line of dots or make perforations in a sheet of paper

[Mid-18th century. < French, "small wheel" < late Latin rotella< Latin rota "wheel"]
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