[rou.lette] n [F, lit., small wheel, fr. OF roelete, dim. of roele small wheel, fr. LL rotella, dim. of L rota wheel--more at roll] (1745) 1: a gambling game in which players bet on which compartment of a revolving wheel a small ball will come to rest in
2. a: any of various toothed wheels or disks (as for producing rows of dots on engraved plates or for making short consecutive incisions in paper to facilitate subsequent division) b: tiny slits between rows of stamps in a sheet that are made by a roulette and serve as an aid in separation--compare perforation
[2]roulette vt rou.lett.ed ; rou.lett.ing (1867): to make roulettes in