Any one of numerous species of large aquatic birds belonging to Cygnus, Olor, and allied genera of the subfamily Cygninæ. They have a large and strong beak and a long neck, and are noted for their graceful movements when swimming. Most of the northern species are white. In literature the swan was fabled to sing a melodious song, especially at the time of its death.
- Any of various large aquatic birds of the family Anatidae chiefly of the genera Cygnus and Olor, having webbed feet, a long slender neck, and usually white plumage.
- See Cygnus.
- Chiefly British To travel around from place to place: "Swanning around Europe nowadays, are we?” ( Jeffrey Archer).
- Chiefly Southern U.S. To declare; swear. Used in the phrase I swan as an interjection. See Regional Note at vum.