- a river flowing N through NW Oregon into the Columbia River at Portland. About 290 miles (465 km) long.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for willamette
By that May, Willamette Week, a local alt-weekly, had written an explosive exposé documenting a rampant drug culture.More Bogus College Stereotypes
July 26, 2009
I am unaware why the accent is on the penult, and not on the ultimate of Willamette.
I have said that I do not know why Portland was built on the Willamette.
The heart of the Willamette was battle and his hand was blood.
Then Tla-wau-wau, chief of the Klackamas, a sub-tribe of the Willamette, rose.
The Willamette was on horseback for the first time in his life.