Noun gros ventre has 2 senses
- Hidatsa, Gros Ventre - a member of the Sioux people formerly inhabiting an area along the Missouri river in western North Dakota
--1 is a kind of Sioux, Siouan
- Hidatsa, Gros Ventre - a Siouan language spoken by the Hidatsa people
--2 is a kind of Siouan, Siouan language
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