1. A gambling game in which the players bet on which slot of a rotating disk a small ball will come to rest in.
a. A small toothed disk of tempered steel attached to a handle and used to make rows of dots, slits, or perforations, as in engraving or on a sheet of postage stamps.
b. Any of the short consecutive incisions made between individual stamps in a sheet for easy separation.
tr.v. rou·lett·ed, rou·lett·ing, rou·lettes
To mark or divide with a roulette.
[French, from Old French ruelete, feminine diminutive of ruele, diminutive of roue, wheel, from Latin rota; see ret- in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.