English

An Australian black swan

Noun

black swan ‎(plural black swans)

1. An occurrence believed impossible or not to exist, subsequently shown to exist.
2. An Australian swan whose feathers are black.
3. An occurrence believed impossible or not to exist.

Quotations

• For usage examples of this term, see Citations:black swan.

Synonyms

• Cygnus atratus
• Chenopis atratus

Translations