Gros Ventre[grō′ vänt′]
Gros Ventre definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
Gros Ventre definition by American Heritage Dictionary
noun pl. Gros Ventre or Gros Ventres
Origin: French, big belly : gros, big + ventre, belly (from an indigenous sign-language gesture designating this people that suggested a big belly).