DCHP-1 Online
Siwash tongue Pacific Coast and Northwest 
any native Indian language, especially the Chinook Jargon.
See also: Chinook Jargon
- 1902 Even Dave Harney . . . waxed facetious over the newcomers -- chechaquos, he called them, having recourse to the Siwash tongue. . . .
- 1902 Even Dave Harney . . . waxed facetious over the newcomers -- chechaquos, he called them, having recourse to the Siwash tongue. . . .