from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An unreal, magical, often bizarre place: regarded New York City as the Oz of the Northeast.
- n. Slang Australia.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. An unreal, magical realm.
- proper n. Australia.
After the fantasy land Oz created by L. Frank Baum in The Wonderful World of Oz and other novels.
Alteration of Aus(tralian).(American Heritage® Dictionary of the English Language, Fourth Edition)
After the fictional land in The Wonderful Wizard of Oz. (Wiktionary)
Modified phonetic contraction of Australia. (Wiktionary)