# John Day

> English word · Proper noun

## Definitions
1. A city in Grant County, Oregon, United States.
2. A river in Oregon.

## Etymology
The river was named after a Virginia member of the 1811 Astor Expedition. The city was named after the river.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/john-day