Old Faithful

geographical name

geyser that erupts at regular intervals in Yellowstone National Park in northwestern Wyoming

Dictionary Entries Near Old Faithful

Cite this Entry

“Old Faithful.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Old%20Faithful. Accessed 18 Dec. 2024.

More from Merriam-Webster on Old Faithful

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!