Meanings
proper noun
- One of 64 counties in Colorado, United States. County seat: Boulder.
Origin
Named after the large granite boulders in the area.
Full word history & related roots →Cite this entry
APA
Boulder County. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/Boulder%20County
MLA
“Boulder County.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Boulder%20County. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “Boulder County,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/Boulder%20County.
Source: Boulder County on Wiktionary, CC BY-SA 4.0.