Definition of Oregonese in US English:

Oregonese

noun

  • Treated as plural. The inhabitants of Oregon collectively; Oregonians.

Origin

Mid 19th century; earliest use found in Walt Whitman (1819–1892), poet. From the name of Oregon + -ese.

Pronunciation

Oregonese

/ˌɒrɪɡ(ə)ˈniːz/