Definitions

1. noun

A river in Oregon, United States, flowing through Portland and into the Columbia River.

“The Willamette River is a major waterway in the Pacific Northwest region.”

2. proper noun

A valley in Oregon, United States, known for its rich soil and fertile plains.

“The Willamette Valley is a significant agricultural region in Oregon.”

3. proper noun

A lake in Oregon, United States, part of the Willamette River basin.

“The Willamette Lake is a popular spot for boating and fishing in Oregon.”