Meanings
proper noun
- One of 36 counties in Oregon, United States. County seat: Condon.
Origin
Named after Cornelius Gilliam.
Full word history & related roots →Cite this entry
APA
Gilliam County. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Gilliam%20County
MLA
“Gilliam County.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Gilliam%20County. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “Gilliam County,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Gilliam%20County.
Source: Gilliam County on Wiktionary, CC BY-SA 4.0.