It's also the name of a cattle breed that's native to the region [1] and famed for its meat, as well as the name by which the very language discusses in this thread used to go by during the Middle Ages (as the Limousin dialect formed the basis for the normalized form of Occitan, that was used by the Troubadour movement ever since its inception by Eble II of Ventadorn).

[1]: https://en.wikipedia.org/wiki/Limousin_cattle