atˈfäləd.ē noun
( plural atfalati or atfalatis )
Usage: usually capitalized
Etymology: perhaps from Kalapooia Tfalati, from Shahaptian Twalatin, literally, river people, from wala river + tin people
1. : a people of the northern dialectic branch of the Kalapooian language family
2. : a member of the Atfalati people