Sentence:  The Missionary's address rolled on in choppy <WSD>Chinook</WSD>, undertoned by a gentle voice from the back of the room which told Tanook in pure Indian words what he was to do. 
Meaning of the word marked with <WSD> tags:  Chinook Jargon, a pidgin trade language of the Pacific Northwest composed primarily of words from Chinook proper, English, and French, with some borrowings from other languages.