Definitions

1. noun

A Native American people who traditionally inhabited the region of present-day Yakima and Kittitas counties in Washington, United States.

“The archaeological site was discovered on the ancestral lands of the Wanapum people.”

2. proper noun

A reservoir on the Columbia River in Washington, United States, known for its ancient rock art and cultural significance to the region’s indigenous peoples.

“The Wanapum Dam is a major hydroelectric facility in the Pacific Northwest.”