from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An Australian swan whose feathers are black.
- n. An occurrence believed impossible or not to exist.
- n. An occurrence believed impossible or not to exist, subsequently shown to exist.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. large Australian swan having black plumage and a red bill
Sorry, no etymologies found.