- 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.
“Willamette,” said the young runner, pointing to this new river.
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.